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Class 7 Science MCQs – Practice Test 1 (Chapter 1)

Atoms and Atom Model MCQs with Answers PDF Download – Test 1

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Learn Atoms and atom model Multiple Choice Questions (MCQs) with Answers PDF (Atoms and Atom Model MCQs PDF e-Book) download Ch. 1-1 to study Class 7 Science Course. Learn Atoms and Atom Model Quiz Questions and Answers to learn online school courses. The Atoms and Atom Model MCQs App: Free Class 7 Science App Download to mass number and isotopes, ionic bonds, uses of radioisotopes, inside an atom, atoms and discovery test prep for online teaching certification programs.

The "Atoms and Atom Model MCQs" App Download [Free] with MCQ: To find out number of neutrons in an atom, we need to know the; with answers: proton number, atomic number, electron number, and mass number to learn online school courses. Solve Mass Number and Isotopes MCQ Questions, download Google e-Book (Free Chapter) for distance learning classes.

Atoms and Atom Model MCQs – Practice Test 1 PDF Download

MCQ 1: 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 2: 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 3: 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 4: If the mass of protons and neutrons is 1, then the mass of electron is:

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

MCQ 5: The name of physicist who discovered the nucleus of atom was:

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

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