Atoms and Atom Model Multiple Choice Questions 27 PDF Download

Learn atoms and atom model MCQs, grade 7 online science test 27, electron levels multiple choice questions and answers. Electron levels revision test has science worksheets, helping answer key with choices as 2, 1, 3 and 4 of multiple choice questions (MCQ) with electron levels quiz as the atomic number of 'beryllium' 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 27

MCQ. The atomic number of 'beryllium' is

  1. 1
  2. 2
  3. 3
  4. 4

D

MCQ. Each 'atom' contains

  1. shells
  2. nucleus
  3. neutrons
  4. particles

B

MCQ. A chemical formula represents

  1. one atom of an element
  2. multiple atoms of an element
  3. atoms of molecules
  4. atoms of compounds

A

MCQ. The ionic chemical formula of sodium is

  1. Na-
  2. Na+
  3. Na-
  4. Na+

B

MCQ. The closer the shell to the nucleus, the

  1. lower the energy level
  2. higher the energy level
  3. smaller the size
  4. lighter the mass

A