Question

question 22 of 25
what are the alkali metals?

a. elements with eight valence electrons
b. group 18 on the periodic table
c. the second group on the periodic table
d. the first group on the periodic table

Explanation:

• Option A: Elements with eight valence electrons are noble gases (Group 18), not alkali metals.
• Option B: Group 18 contains noble gases, not alkali metals.
• Option C: The second group (Group 2) consists of alkaline earth metals, not alkali metals.
• Option D: Alkali metals are located in Group 1 (the first group) of the periodic table, having one valence electron.

Answer:

D. The first group on the periodic table