Grade 7 English MCQs

Atoms and Atom Model Multiple Choice Questions Test 1 Tests pdf Download

Practice science test 1 on atoms and atom model MCQs, grade 7 mass number and isotopes multiple choice questions and answers. Mass number and isotopes revision test has science worksheets, 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. Free science study guide to learn 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

D

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

  1. Ionic bonding
  2. Covalent bonding
  3. Metallic bonding
  4. Dative bonding

A

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

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

B

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

  1. 2
  2. 2-Jan
  3. 4-Jan
  4. 1/1890

D

MCQ. Name of physicist who discovered nucleus of atom is

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

C