What is the total number of valence electrons in a germanium atom in the ground state

4+

Explanation:

Germanium, an element in the fourth group on the periodic table has a valency of 4 ie 4 electrons in its outermost shell.

D. 4

Explanation:

The Periodic Table of the Elements shows Ge, Germanium, with an electron configuration of 2-8-18-4. Valence electrons are the electrons in the outermost principal energy level of an atom. Germanium has 4 valence electrons.