Question

The alkali and alkaline earth metals in groups $IA$ and $IIA$ are referred to as the light metals because, they have:

• A. low density.
• B. low hardness.
• C. low melting points.
• D. all of the above.

Answer 1

Answer: (D)

all of the above.

The alkali and alkaline earth metals in groups $IA$ and $IIA$ are referred to as the light metals because they have low density, low hardness, and low melting points.