Atoms and Atom Model Multiple Choice Questions and Answers 6 PDF Download

Learn atoms and atom model MCQs, grade 7 science test 6 for online learning courses and test prep. Science and radioisotopes multiple choice questions (MCQs), atoms and atom model quiz questions and answers include science worksheets for 7th grade advanced science worksheets.

Science multiple choice questions (MCQ): isotope of uranium (uranium-238) contains with options 142 neutrons, 141 neutrons, 146 neutrons and 149 neutrons, science and radioisotopes quiz for online e-learning with elementary education, secondary education and distance learning. Free science study guide to learn science and radioisotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Worksheets 6 Quiz PDF Download

MCQ: Isotope of uranium (Uranium-238) contains

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


MCQ: As neutrons have electrical charge, they do not effect

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


MCQ: Theory about atom was first put forward by a Greek philosopher

  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. sound in light


MCQ: If hydrogen forms only one bond, then valency of hydrogen is

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