
Concept explainers
Interpretation: The Lewis dot puzzle pieces for Si, P, S and Cl needs to be drawn. The rule and the name of the bonding rule for Si, P, S and Cl needs to be explained.
Concept Introduction: Covalent bonds are present between non-metals.

Answer to Problem 8E
Lewis dot symbol track the valence electrons of different atoms.
Explanation of Solution
The bonding tendencies of non-metal atoms are directly related to the number of valence electrons. HONO rule followed by structure formulas to construct Lewis dot puzzle structure. The puzzle pieces on the left represent number of valence electrons of that element. Some electrons are paired whereas others are unpaired.
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