Structure of Atom Multiple Choice Questions and Answers 1 PDF Book Download

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MCQ on Structure of Atom Test 1Quiz Book Download

MCQ: If proton (p+) number of an element changes,

  1. it will become an isotope
  2. it will become another element
  3. it will become an electrolyte
  4. it will sublimate immediately


MCQ: In periodic table, period number indicates number of

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


MCQ: Chlorine's (Cl) relative atomic mass is 35.5. this half number is due to

  1. isotopes
  2. a half proton
  3. a half neutron
  4. a half electron


MCQ: Purpose of a mass spectrometer is to

  1. determine the charge of a particle
  2. determine the particles
  3. determine the mass of an atom
  4. provide data for data loggers


MCQ: Number of electrons (e-) in phosphorus (P) is 15. valence electrons shall be

  1. 2
  2. 8
  3. 5
  4. 4