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When element \(_{20}\)Y combines with element \(_8\)Z, it forms

Chemistry
WAEC 2016

When element \(_{20}\)Y combines with element \(_8\)Z, it forms

  • A. A covalent compound , YZ is formed
  • B. A covalent compound, ZY is formed
  • C. An ionic compound, YZ is formed
  • D. An ionic compound, ZY is formed
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Correct Answer: Option C
Explanation

Y = 2,8,8,2 and Z = 2,6.

Y will readily give off its 2 valence electrons and Z will accept the 2 electrons in order to achieve octet configuration. Hence, the compound YZ is formed by ionic bonding.

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