Atoms and Elements MCQs & Quiz Online PDF Book Download

Atoms and elements multiple choice questions (MCQs), atoms and elements quiz answers to learn elementary school science online courses. Atoms and atom model MCQs, atoms and elements quiz questions and answers for online elementary education degree. Valencies and valency table, chemical formulas, covalent bonds, atoms and elements test prep for elementary school teaching certification.

Learn science MCQs: number of protons and electrons in an atom of uranium is, with choices 90, 91, 92, and 94 for online elementary education degree. Free science student portal for online learning atoms and elements quiz questions, MCQs to find questions answers based online learning tests.

MCQ on Atoms and Elements PDF Book 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