When element 20A combines with element 8Y,

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Chemistry WAEC 2011

When element ₂₀A combines with element ₈Y,

a covalent compound, AY is formed
an ionic compound AY is formed
an ionic compound, A2Y is formed
a covalent compound, AY2 is formed

The correct answer is: B

Explanation

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When element 20A combines with element 8Y,

The correct answer is: B

Explanation

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