Which of the following is the best Lewis dot symbol for carbon?

Which of the following is the best Lewis dot symbol for chlorine?

Which of the following is the correct Lewis dot symbol for a nitrogen atom?

How many dots are present in the Lewis dot symbol for the chloride ion, Cl^-?

Which of the following is the correct Lewis dot symbol for a neutral atom of sulfur?

Which of the following is the correct Lewis dot structure for a carbon atom?

Which of the following represents the correct Lewis dot symbol for the iodide ion, I⁻?

Which of the following represents the correct Lewis dot symbol for the arsenide ion, As^{3-}?