Atoms and Atom Model Multiple Choice Questions 18 PDF Download

Learn atoms and atom model MCQs, grade 7 science test 18 for online courses learning and test prep, electrons and shells multiple choice questions and answers. Electrons and shells revision test includes science worksheets to learn for 7th grade online science quiz preparation.

Science multiple choice questions (MCQ) on second shell can hold up to with options six electrons, four electrons, eight electrons and twelve electrons, electrons and shells quiz for competitive exam prep, viva interview questions with answers key. 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 and its chemical formula is

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

B

MCQ. Second shell with second energy level is known as

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

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