Atoms and Atom Model Multiple Choice Questions 19 PDF Download

Learn atoms and atom model MCQs, grade 7 online science test 19, electron levels multiple choice questions and answers. Electron levels revision test has science worksheets, helping answer key with choices as c, bo, n and br of multiple choice questions (MCQ) with electron levels quiz as the symbol of 'carbon' is for competitive exam prep, viva interview questions. Free science study guide to practice electron levels quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz PDF Download Worksheets 19

MCQ. The symbol of 'Carbon' is

  1. Bo
  2. C
  3. N
  4. Br


MCQ. Mass number tells us the number of

  1. neutrons only
  2. electrons only
  3. particles in the nucleus
  4. protons only


MCQ. Unstable atoms are radioactive so we call them

  1. radioisotopes
  2. radioactive
  3. radio atoms
  4. radio allotropes


MCQ. The atomic number of 'neon' is

  1. 8
  2. 10
  3. 12
  4. 14


MCQ. The 'chlorine' ion has

  1. positive charge
  2. negative charge
  3. no charge
  4. both a and b