Atoms and Elements MCQs Quiz Worksheet PDF Download

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Study elementary school courses, online science degree programs MCQs: number of protons and electrons in an atom of uranium is, for online courses with choices 90, 91, 92, and 94 with virtual academy portal for online learning of mid term and final exams preparation. Free science student portal for online learning atoms and elements quiz questions, MCQs to find questions answers based online learning tests.

MCQs on Atoms and Elements Quiz PDF Download

MCQ: Number of protons and electrons in an atom of uranium is

  1. 90
  2. 91
  3. 92
  4. 94


MCQ: As there are same number of electrons and protons in an atom, atomic number can also be called

  1. electron number
  2. proton number
  3. nucleon number
  4. mass number


MCQ: Smallest atom in 'periodic table' yet found is

  1. hydrogen
  2. helium
  3. lithium
  4. magnesium


MCQ: Atoms of different elements differ from each other because of

  1. difference in color
  2. difference in size
  3. difference in shape
  4. difference in particle numbers


MCQ: A material which is made up of one type of atom is known as

  1. element
  2. compound
  3. mixture
  4. molecule