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

Atoms and atom model multiple choice questions, learn grade 7 science online test prep 6 for elementary school online courses, distance learning for exam prep. Practice science and radioisotopes multiple choice questions (MCQs), atoms and atom model quiz questions and answers for science class for 7th grade advanced science worksheets.

Study elementary school science multiple choice questions (MCQs): isotope of uranium (uranium-238) contains, for free online courses with choices 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 for online learning science and radioisotopes quiz questions 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