Atoms and Atom Model Multiple Choice Questions and Answers 33 PDF Download

Learn atoms and atom model MCQs, grade 7 science test 33 for online learning courses and test prep. Uses of radioisotopes multiple choice questions (MCQs), atoms and atom model quiz questions and answers include science worksheets for 7th grade assessment test.

Science multiple choice questions (MCQ): 'radioisotopes' are used to trace with options harmful substances in a human body, path of elements in a body, cancer cells in a human body and harmful substances in metals, uses of radioisotopes quiz with online schools' course questions and answers for summative assessment of students. Free science study guide to learn uses of radioisotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Worksheets 33 Quiz PDF Download

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: Number of proton in an 'atom' is also known as

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


MCQ: Symbol of "oxygen" is

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


MCQ: 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