Atoms and Atom Model Multiple Choice Questions 1 PDF Download

Practice atoms and atom model MCQs, grade 7 online science test 1, mass number and isotopes multiple choice questions and answers. Mass number and isotopes revision test has science worksheets, helping answer key with choices as proton number, atomic number, electron number and mass number of multiple choice questions (MCQ) with mass number and isotopes quiz as to find out number of neutrons in an atom, we need to know the for competitive exam prep, viva interview questions. Free science study guide to practice mass number and isotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz PDF Download Worksheets 1

MCQ. To find out number of neutrons in an atom, we need to know the

  1. atomic number
  2. proton number
  3. electron number
  4. mass number


MCQ. The attraction of two ions due to opposite charge is known as

  1. ionic bonding
  2. covalent bonding
  3. metallic bonding
  4. dative bonding


MCQ. To trace the path of phosphorus, the isotope of phosphorus which is added to the fertilizers, is

  1. Phosphorus-31
  2. Phosphorus-32
  3. Phosphorus-33
  4. Phosphorus-34


MCQ. If the mass of protons and neutrons is 1, then the mass of electron is

  1. 2
  2. 1/2
  3. 1/4
  4. 1/1890


MCQ. The name of physicist who discovered the nucleus of atom was

  1. Democritus
  2. John Dalton
  3. Ernest Rutherford
  4. Vander Waals