Atoms and Atom Model Multiple Choice Quiz Questions 6 pdf Download

Practice science quiz 6 on atoms and atom model MCQs, grade 7 science and radioisotopes multiple choice questions. Free science and radioisotopes guide has science worksheet with answering options 142 neutrons, 141 neutrons, 146 neutrons and 149 neutrons of multiple choice questions (MCQ) with science and radioisotopes quiz as isotope of uranium i.e. uranium-238 contains for exam prep. Study to learn science and radioisotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model - Quiz 6

MCQ. Isotope of Uranium i.e. Uranium-238 contains

  1. 141 neutrons
  2. 142 neutrons
  3. 146 neutrons
  4. 149 neutrons


MCQ. As neutrons have on electrical charge, they do not affect

  1. bonding properties
  2. physical properties
  3. chemical properties
  4. thermal properties


MCQ. Idea of atom was first put forward by a Greek philosopher named

  1. Williams
  2. Democritus
  3. Isaac Newton
  4. Galileo


MCQ. Electrons revolve around nucleus as fast as

  1. sound in air
  2. sound in liquid
  3. sound in solid
  4. light


MCQ. Because hydrogen forms only one bond, valency of hydrogen is

  1. 1
  2. -1
  3. 7
  4. 2