Chemistry Learning Notes & Technology Articles

Structure of Atom Multiple Choice Questions Test 1 Tests pdf Download

Practice structure of atom multiple choice questions (MCQs), O level chemistry test 1 online to learn. Practice periodic table: o level chemistry MCQs questions and answers on periodic table: o level chemistry, protons, neutrons and electrons, atomic mass, proton and nucleon number, valence electrons with answers. Free structure of atom quiz, online study guide has answer key with choices as it will become another element, it will become an isotope, it will become an electrolyte and it will sublimate immediately of multiple choice questions (MCQ) as if proton (p+) number of an element changes, to test learning skills. Study to learn periodic table: o level chemistry quiz questions to practice MCQ based online exam preparation test.

MCQ on Structure of Atom Quiz pdf Download Test 1

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 charge of a particle
  2. determine particles
  3. determine 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