Protons, Neutrons and Electrons MCQs Quiz Online PDF Download

Practice protons, neutrons and electrons MCQs, O level chemistry test for online courses learning and test prep. Structure of atom quiz has multiple choice questions (MCQ), protons, neutrons and electrons quiz questions and answers to learn.

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MCQs on Protons, Neutrons and Electrons Quiz PDF Download

MCQ. In periodic table, the period number indicates the number of

  1. neutrons
  2. protons
  3. electrons
  4. photons

D

MCQ. Chemical properties of an element are largely derived through

  1. its position in the periodic table
  2. the proton number of an element
  3. the nucleon number of element
  4. the number of valence electrons

D

MCQ. An electron has a

  1. negligible mass
  2. relative charge of -1
  3. the charge is opposite and equal to a proton
  4. all of these

D

MCQ. Mass of an electron is

  1. 11840 of a proton
  2. 11840 of a neutron
  3. 1840 times of a proton
  4. Both A and B

D

MCQ. Helium (He) is not an inert gas because

  1. it is chemically very reactive
  2. it lacks a full shell of valence electrons
  3. Both A and B
  4. it has no electrons

C