Question

which element has two valence electrons? (1 point)
o chlorine
o lithium
o neon
o calcium

Explanation:

Chlorine has 7 valence electrons. Lithium has 1 valence electron. Neon has 8 valence electrons (a full outer - shell). Calcium, being in Group 2 of the periodic table, has 2 valence electrons.

Answer:

calcium