Question

question 1 of 10
which of the following is an alkaline earth metal?
a. carbon (c)
b. aluminum (al)
c. silicon (si)
d. magnesium (mg)

Explanation:

Alkaline earth metals are in Group 2 of the periodic table. Magnesium (Mg) is in Group 2. Carbon (C) is a non - metal in Group 14. Aluminum (Al) is a metal in Group 13. Silicon (Si) is a metalloid in Group 14.

Answer:

D. Magnesium (Mg)