Grade 7 English MCQs

Atoms and Atom Model Multiple Choice Questions Test 16 Tests pdf Download

Practice science test 16 on atoms and atom model MCQs, grade 7 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. 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

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. bundles of light
  3. bundles of energy
  4. gases

C

MCQ. Isotopes behave in different way in

  1. chemical reactions
  2. bonding
  3. electrical conductivity
  4. physical properties

D

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

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

B