Question

unit 5 comprehensive quiz l
using a periodic table, classify the element barium.
alkali metal
alkaline earth metal
transition metal
halogen

Explanation:

Alkaline earth metals are in Group 2 of the periodic table. Barium (Ba) has an atomic number of 56 and is located in Group 2. Alkali metals are in Group 1, transition metals are in the d - block (Groups 3 - 12), and halogens are in Group 17.

Answer:

Alkaline earth metal