Question

element groupings quick check
which element has two valence electrons? (1 point)
calcium
neon
lithium
chlorine

Explanation:

Calcium is in Group 2 of the periodic table, and elements in Group 2 have 2 valence electrons. Neon is a noble - gas with 8 valence electrons (except helium which has 2). Lithium is in Group 1 with 1 valence electron. Chlorine is in Group 17 with 7 valence electrons.

Answer:

calcium