Anastasia Abbagnato, an Italian player with a career-high singles ranking of No. 400, faces Clara Burel in the WTA 125 Palermo on clay. Abbagnato benefits from home-country support and recent ITF-level experience, while Burel, a former top-50 player now ranked No. 630 after a 7-6 record in 2026, brings greater overall pedigree despite recent ranking decline. The match pits Burel’s professional experience and right-handed baseline game against Abbagnato’s developing consistency on the surface, with recent clay-court activity for both influencing preparation and adaptation to conditions in Italy. Trader sentiment reflects the competitive gap in rankings offset by home factors and Burel’s variable form entering the event.
基於Polymarket數據的AI實驗性摘要。這不是交易建議，也不影響該市場的結算方式。 · 更新於7時 31分 29秒
This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to 'Anastasia Abbagnato' if Anastasia Abbagnato advances against Clara Burel.
This market will resolve to 'Clara Burel' if Clara Burel advances against Anastasia Abbagnato.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to “Abbagnato” if Anastasia Abbagnato wins the first set. It will resolve to “Burel” if Clara Burel wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official WTA Challenger match statistics.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to “Abbagnato” if Anastasia Abbagnato wins set 2. It will resolve to “Burel” if Clara Burel wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official WTA Challenger match statistics.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under."
A super tie breaker is considered as one (1) set for total set markets.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger statistics.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger statistics.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Abbagnato" if Anastasia Abbagnato wins by 2 or more sets than Clara Burel, based on the final completed score. Otherwise, it will resolve to "Burel."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger statistics.This market refers to the tennis match between Clara Burel and Anastasia Abbagnato in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Burel" if Clara Burel wins by 2 or more sets than Anastasia Abbagnato, based on the final completed score. Otherwise, it will resolve to "Abbagnato."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger statistics.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.Anastasia Abbagnato, an Italian player with a career-high singles ranking of No. 400, faces Clara Burel in the WTA 125 Palermo on clay. Abbagnato benefits from home-country support and recent ITF-level experience, while Burel, a former top-50 player now ranked No. 630 after a 7-6 record in 2026, brings greater overall pedigree despite recent ranking decline. The match pits Burel’s professional experience and right-handed baseline game against Abbagnato’s developing consistency on the surface, with recent clay-court activity for both influencing preparation and adaptation to conditions in Italy. Trader sentiment reflects the competitive gap in rankings offset by home factors and Burel’s variable form entering the event.
This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to 'Anastasia Abbagnato' if Anastasia Abbagnato advances against Clara Burel.
This market will resolve to 'Clara Burel' if Clara Burel advances against Anastasia Abbagnato.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
This market will resolve to 'Anastasia Abbagnato' if Anastasia Abbagnato advances against Clara Burel.
This market will resolve to 'Clara Burel' if Clara Burel advances against Anastasia Abbagnato.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
市場開放時間： Jul 19, 2026, 12:01 AM ET
交易量
$6,287結束日期
2026-07-27市場開放時間
Jul 19, 2026, 12:01 AM ETResolver
0x65070BE91...7時 31分 29秒
This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to 'Anastasia Abbagnato' if Anastasia Abbagnato advances against Clara Burel.
This market will resolve to 'Clara Burel' if Clara Burel advances against Anastasia Abbagnato.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to “Abbagnato” if Anastasia Abbagnato wins the first set. It will resolve to “Burel” if Clara Burel wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official WTA Challenger match statistics.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to “Abbagnato” if Anastasia Abbagnato wins set 2. It will resolve to “Burel” if Clara Burel wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official WTA Challenger match statistics.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under."
A super tie breaker is considered as one (1) set for total set markets.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger statistics.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger statistics.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Abbagnato" if Anastasia Abbagnato wins by 2 or more sets than Clara Burel, based on the final completed score. Otherwise, it will resolve to "Burel."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger statistics.This market refers to the tennis match between Clara Burel and Anastasia Abbagnato in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Burel" if Clara Burel wins by 2 or more sets than Anastasia Abbagnato, based on the final completed score. Otherwise, it will resolve to "Abbagnato."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger statistics.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official WTA Challenger results.Anastasia Abbagnato, an Italian player with a career-high singles ranking of No. 400, faces Clara Burel in the WTA 125 Palermo on clay. Abbagnato benefits from home-country support and recent ITF-level experience, while Burel, a former top-50 player now ranked No. 630 after a 7-6 record in 2026, brings greater overall pedigree despite recent ranking decline. The match pits Burel’s professional experience and right-handed baseline game against Abbagnato’s developing consistency on the surface, with recent clay-court activity for both influencing preparation and adaptation to conditions in Italy. Trader sentiment reflects the competitive gap in rankings offset by home factors and Burel’s variable form entering the event.
This market refers to the tennis match between Anastasia Abbagnato and Clara Burel in the Palermo, originally scheduled for July 20, 2026 at 5:00AM ET.
This market will resolve to 'Anastasia Abbagnato' if Anastasia Abbagnato advances against Clara Burel.
This market will resolve to 'Clara Burel' if Clara Burel advances against Anastasia Abbagnato.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
This market will resolve to 'Anastasia Abbagnato' if Anastasia Abbagnato advances against Clara Burel.
This market will resolve to 'Clara Burel' if Clara Burel advances against Anastasia Abbagnato.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
市場開放時間： Jul 19, 2026, 12:01 AM ET
交易量
$6,287結束日期
2026-07-27市場開放時間
Jul 19, 2026, 12:01 AM ETResolver
0x65070BE91...Anastasia Abbagnato, an Italian player with a career-high singles ranking of No. 400, faces Clara Burel in the WTA 125 Palermo on clay. Abbagnato benefits from home-country support and recent ITF-level experience, while Burel, a former top-50 player now ranked No. 630 after a 7-6 record in 2026, brings greater overall pedigree despite recent ranking decline. The match pits Burel’s professional experience and right-handed baseline game against Abbagnato’s developing consistency on the surface, with recent clay-court activity for both influencing preparation and adaptation to conditions in Italy. Trader sentiment reflects the competitive gap in rankings offset by home factors and Burel’s variable form entering the event.
基於Polymarket數據的AI實驗性摘要。這不是交易建議，也不影響該市場的結算方式。 · 更新於
警惕外部連結哦。
警惕外部連結哦。
Frequently Asked Questions