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Class 7 Science MCQs – Practice Test 33 (Chapter 1)

Atoms and Atom Model MCQs with Answers PDF Download – Test 33

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Study Atoms and atom model Multiple Choice Questions (MCQs) with Answers PDF to promote educational learning success. Download the Atoms and Atom Model MCQs PDF e-Book, Ch. 1-33 to study Class 7 Science Course. Learn Atoms and Atom Model Quiz Questions and Answers for science knowledge development programs. Download the Atoms and Atom Model MCQs App: Free Class 7 Science Learning App to uses of radioisotopes, atoms and elements, electron levels, valencies and valency table, covalent bonds test prep for science revision online tools.

Free Atoms and Atom Model Learning App Download: Number of proton in an 'atom' is also known as; MCQ with answers: nucleon number, atomic number, mass number, and photon number. Solve Uses of Radioisotopes MCQ Questions, download Google e-Book (Free Chapter) to promote educational learning success.

Atoms and Atom Model MCQs – Practice Test 33 PDF Download

MCQ 161: 'Radioisotopes' are used to trace:

  1. path of elements in a body
  2. harmful substances in a human body
  3. cancer cells in a human body
  4. harmful substances in metals

MCQ 162: The number of proton in an 'atom' is also known as:

  1. atomic number
  2. nucleon number
  3. mass number
  4. photon number

MCQ 163: The symbol of "oxygen" is:

  1. C
  2. N
  3. O
  4. Fl

MCQ 164: The valency of 'bromine' is:

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

MCQ 165: Electrons are shared in:

  1. pairs
  2. individuals
  3. sets of three
  4. sets of four

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