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16 April, 03:57

What will the ratio of ions be in any compound formed from a group 1a and a group 7a nonmetals?

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  1. 16 April, 04:04
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    Group 1a elements (the first column on the left side of the Periodic table) always release one electron to form positive ions with a charge of + 1. Group 7a nonmetals (the second to the last column on the right side - the rightmost column are the noble gases) always desire to gain one electron to form negative ions with a charge of - 1.

    Since their charges are equal and opposite, they will always combine in a 1:1 ratio.
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