Note AcademyNote Academy
Start

Physics · May / June 2019 · Paper 11 · Question 40

5054The nucleus

A neutral atom of boron contains 5 electrons and 5 protons. The nucleon number (mass number) of the atom is 11. How many neutrons are there in the atom?

  1. A1
  2. B5
  3. C6
  4. D11

As printed in the paper

Show the answer

Correct answer: C. 6

Sit this whole paper →More on The nucleus

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.