The number of valence electrons in a sulfur atom is 16.

Question

BlackTom AI · Accepted Answer

The question asks whether the number of valence electrons in a sulfur atom is 16, and provides two options: True or False.
Option 1: True. This is incorrect because sulfur has 16 total electrons in a neutral atom, but valence electrons are the electrons in the outermost shell. For sulfur (atomic number 16) in period 3, the outermost shell is the third shell with 6 valence electrons (2 in 3s and 4 in 3p). Therefore stating 16 valence electrons overstates the count and misidentifies core electrons as valence.
Option 2: False. This correctly reflects the distinction between total electrons and valence electrons. The valence electron count for sulfur is 6, not 16, so the statement as written is false.
Additional clarification: Valence electrons are the electrons available for bonding and chemical reactivity, typically the outermost s and p electrons. For sulfur in group 16, the common valence electron count is 6, which corresponds to its tendency to form two bonds and participate in various oxidation states. Misconceptions often arise from conflating atomic number (or total electrons) with valence electrons, which are a subset of the total electronic configuration.

The number of valence electrons in a sulfur atom is 16.

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