Question

What is represented by the dots in a Lewis electron-dot diagram ofan atom of an element in Period 2 of the Periodic Table?

(1) the number of neutrons in the atom(2) the number of protons in the atom(3) the number of valence electrons in the atom(4) the total number of electrons in the atom

Answer 1

The number of Valence electrons are shown so that one can clearly see the electron transfer or sharing that may take place between the atoms.