Atoms and Atom Model Multiple Choice Questions 33 PDF Download

Practice atoms and atom model MCQs, grade 7 online science test 33, uses of radioisotopes multiple choice questions and answers. Uses of radioisotopes revision test has science worksheets, helping answer key with choices as harmful substances in a human body, path of elements in a body, cancer cells in a human body and harmful substances in metals of multiple choice questions (MCQ) with uses of radioisotopes quiz as 'radioisotopes' are used to trace for competitive exam prep, viva interview questions. Free science study guide to practice uses of radioisotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz PDF Download Worksheets 33

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

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


MCQ. The symbol of "oxygen" is

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


MCQ. The valency of 'bromine' is

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


MCQ. Electrons are shared in

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