Railways PYQCBT 1 2016

RRB NTPC · Question 38

Which element has the atomic number 3? A. Boron B. Lithium C. Beryllium D. Sodium

  1. A

  2. C

  3. D

  4. B

Show answer & explanation

Answer: (D) B

Explanation

Lithium (Li) has atomic number 3.