Question

The valence electron in alkali metals are

• A. 0
• B. 1
• C. 2
• D. 3

Answer 1

The correct option is B

1

Explanation of the correct answer:

The correct answer is option B:

1. The chemical elements Lithium, Sodium, Potassium, Rubidium, Caesium, and Francium make up the alkali metals.
2. They make up group 1, which is located in the s-block of the periodic table, along with hydrogen.
3. Alkali metals have one valence electron.
4. All alkali metals are electropositive in nature and have one valance electron.

Explanation of the incorrect answers:

Options A, C, and D:

1. The valence electrons in alkali metals are 1.
2. Hence, these options are incorrect.