Question

Which is the atomic number of an alkali metal?
10
11
12
13

Answer 1

I think it’s 11 for the alkali metal

Answer 2

11 is the atomic number of alkali metal

Step-by-step explanation:

The Group 1 elements are called the alkali metals. ... All the Group 1 elements are very reactive . They must be stored under oil to keep air and water away from them. Group 1 elements form alkaline solutions when they react with water, which is why they are called alkali metals.