Atoms and Atom Model Multiple Choice Quiz Questions 1 pdf Download

Practice science quiz 1 on atoms and atom model MCQs, grade 7 mass number and isotopes multiple choice questions. Free mass number and isotopes guide has science worksheet with answering options 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 for exam prep. Study to learn mass number and isotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model - Quiz 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. 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 path of phosphorus, isotope of phosphorus is added to fertilizers. isotope is

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


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

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


MCQ. Name of physicist who discovered nucleus of atom is

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