Question

Which element is classified as an alkali metal?
Rb
Sr
Zr
Cl

Answer 1

Hi there.

Alkali metals are known as the group 1 elements.

When we know this, we just have to look to group 1 of the periodic table.

Rb (Rubidium) is in group 1; it is classified as an alkali metal.

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Answer 2

Answer:

A

Explanation:

on edge