Atoms and Elements Multiple Choice Questions Online pdf eBooks Download

Learn atoms and elements MCQs in science quiz for test prep. Atoms and atom model quiz questions has multiple choice questions (MCQ), atoms and elements test as the number of protons and electrons in an atom of uranium is. Answer key 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 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

C

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

B

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

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

A

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

D

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

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

A