Asodium atom has 1 valence electron in its third shell. what will it do when forming an ion?
a. gain 1 valence electron
b. lose 1 valence electron
c. gain 7 valence electrons
d. lose 7 valence electrons

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.