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How many ions that have a +1 charge will bond with an ion that has a –2 charge? one two three four
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How many ions that have a +1 charge will bond with an ion that has a –2 charge? one two three four

User Heps
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Two ions.

When bonding, the ions want to bind in a way that the positive and negative charges add up to 0.

If one ion has a -2 charge, TWO 1+ ions are needed to balance it out.

Hope this helps!
User SmileyChris
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