Atoms and Atom Model Multiple Choice Questions and Answers 18 pdf eBooks Download

Learn atoms and atom model MCQs, grade 7 online science test 18, electrons and shells multiple choice questions and answers. Electrons and shells revision test has science worksheets, helping 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, viva interview questions. Free science study guide to practice 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