Atoms and Elements MCQs Quiz Worksheet PDF Download

Practice atoms and elements MCQs in science quiz for online learning test. Atoms and atom model quiz questions has multiple choice questions (MCQ), atoms and elements test to practice as the number of protons and electrons in an atom of uranium is. Answer key help with choices as 90, 91, 92 and 94 problem solving for competitive exam, viva prep, interview questions worksheets. Free science revision notes to practice atoms and elements quiz with MCQs to find questions answers based online learning tests.

MCQs on Atoms and Elements Quiz PDF Download

MCQ. The 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. The 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