The maximum covalency is equal to:
Correct answer: D. The total number of s-and p-electrons in the outermost shell
- A. The number of unpaired p-electrons
- B. The number of paired d-electrons
- C. The number of unpaired s-and p-electrons
- D. The total number of s-and p-electrons in the outermost shell
Explanation
For elements in the second period, the maximum covalency is determined by the total number of valence orbitals available, which is one s-orbital and three p-orbitals. This allows for a maximum of four covalent bonds, corresponding to the total number of electrons that can be accommodated.
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