use the periodic table to choose the element that matches each description. halogen: iodine group iia…
use the periodic table to choose the element that matches each description. halogen: iodine group iia: magnesium nonreactive: argon alkali metal: done potassium strontium chlorine
Answer
Explanation:
Step1: Recall alkali - metal definition
Alkali metals are in group IA of the periodic table.
Step2: Analyze options
Potassium is in group IA, strontium is in group IIA, and chlorine is a halogen.
Answer:
potassium