WBCS.LIVE practice question

Atomic mass of an element is equal to the sum of number of:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Electrons and protons only
  2. Protons and neutrons only
  3. Electrons and neutrons only
  4. Electrons, protons and neutrons

Correct answer and explanation

Correct answer: Protons and neutrons only