Protons, Neutrons and Electrons MCQs Quiz Online PDF Download

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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