Grade 7 English MCQs

Atoms and Atom Model Multiple Choice Questions Test 18 Tests pdf Download

Practice science test 18 on atoms and atom model MCQs, grade 7 electrons and shells multiple choice questions and answers. Electrons and shells revision test has science worksheets, answer key with choices as six electrons, four electrons, eight electrons and twelve electrons of multiple choice questions (MCQ) with electrons and shells quiz as second shell can hold up to for competitive exam prep. Free science study guide to learn electrons and shells quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz pdf Download Worksheets 18

MCQ. Second shell can hold up to

  1. four electrons
  2. six electrons
  3. eight electrons
  4. twelve electrons

C

MCQ. Electronic configuration of sodium as K, L, M is

  1. 2, 1, 8
  2. 8, 1, 2
  3. 1, 2, 8
  4. 2, 8, 1

D

MCQ. Hydrogen is a diatomic gas, so its chemical formula is

  1. H2
  2. H2
  3. H
  4. Hy

B

MCQ. Second shell with second energy level is known as

  1. 2nd shell
  2. B shell
  3. L shell
  4. P shell

C

MCQ. As unstable atoms break up into smaller atoms

  1. energy is released
  2. radiations are released
  3. light is released
  4. heat is released

B