Protons, Neutrons and Electrons MCQs Quiz Online PDF Download

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

IGCSE chemistry practice test MCQ on in periodic table, period number indicates number of with options neutrons, protons, electrons and photons problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning protons, neutrons and electrons quiz with MCQs to practice test questions with answers.

MCQs on Protons, Neutrons and Electrons Quiz PDF Download

MCQ. In periodic table, period number indicates number of

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


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


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


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


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