Atoms and Atom Model Multiple Choice Questions 16 PDF Download

Learn atoms and atom model MCQs, grade 7 science test 16 for online courses learning and test prep, chemical formulas multiple choice questions and answers. Chemical formulas revision test includes science worksheets to learn for grade 7 science experiments preparation.

Science multiple choice questions (MCQ) on iron is represented by with options fe, c, i and ir, chemical formulas quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn chemical formulas quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz PDF Download Worksheets 16

MCQ. Iron is represented by

  1. C
  2. Fe
  3. I
  4. Ir


MCQ. Number of protons and electrons in an atom of uranium is

  1. 90
  2. 91
  3. 92
  4. 94


MCQ. Electrons are mainly

  1. solids
  2. bundle of light
  3. bundle of energy
  4. gases


MCQ. Isotopes behave in different way in

  1. chemical reactions
  2. bonding
  3. electrical conductivity
  4. all of above


MCQ. In radioactive decay, some isotopes release a small amount of energy which can be used to

  1. fire up wood
  2. generate electric current
  3. light up a bulb
  4. light up a whole town