Atoms and Atom Model Multiple Choice Questions and Answers 16 pdf eBooks Download

Learn atoms and atom model MCQs, grade 7 science test 16, chemical formulas multiple choice questions and answers. Chemical formulas revision test has science worksheets, answer key with choices as fe, c, i and ir of multiple choice questions (MCQ) with chemical formulas quiz as iron is represented by for competitive exam prep, viva interview questions. Free science study guide to practice 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

B

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

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

C

MCQ. Electrons are mainly

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

C

MCQ. Isotopes behave in different way in

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

D

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

B