When element 20 A combines with element 8 Y,
CHEMISTRY
WAEC 2011
When element20A combines with element8Y,
- A. a covalent compound, AY is formed
- B. an ionic compound AY is formed
- C. an ionic compound, A2Y is formed
- D. a covalent compound, AY2 is formed
Correct Answer: B. an ionic compound AY is formed
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