Respuesta :

The number of valence electron information on the periodic table is used to complete electron dot diagrams. One can obtain the number of valence electron information on the periodic table by determining the column number of the periodic table. The first column number has 1 as the number of its number of valence electron and so on.

Answer:

A

the answer is a if you are looking for the quiz answer if you arent the real answer is the other guys