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Atoms and Atom Model MCQ with Answers PDF Download eBook - 6

Learn Atoms and atom model MCQ with answers PDF, atoms and atom model quiz worksheets with answers key to solve 7th grade science worksheet 6 for online classes. Practice "Atom Structure" Multiple Choice Questions and Answers (MCQs), atoms and atom model quiz questions and answers for online learning. Learn science and radioisotopes, mass number and isotopes, atoms and discovery, electrons and shells, valencies and valency table test prep for distance learning.

"The isotope of uranium (Uranium-238) contains" Multiple Choice Questions (MCQ) on atoms and atom model with choices 142 neutrons, 141 neutrons, 146 neutrons, and 149 neutrons for online learning. Solve atom structure quiz questions for school certificate programs for online study.

Atoms and Atom Model MCQs Quiz 6 PDF Download eBook

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

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


MCQ: Electrons revolve around the 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 the valency of hydrogen is

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