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Members of groups 1, 2, 6, 7 in the Periodic Table are most likely to form ionic compounds.

It depends on what pair of elements are involved, for instance one rule of thumb is metal with nonmetal.

Another, more systematic way, to assess this is to consider the difference in electronegativity between the two elements. If the electronegativity difference is 2 or more then the bond will be ionic. If the difference is less than 2 but more than 1.6 and one of the elements is a metal then there can be an ionic bond.

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11y ago
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14y ago

Elements do not form from ionic bonds...

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Q: What elements are most likely to form an ionic compound?
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