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

Learn atoms and atom model multiple choice questions, grade 7 science online test 33 for elementary school degree online courses, distance learning for exam prep. Practice uses of radioisotopes multiple choice questions (MCQs), atoms and atom model quiz questions and answers for science class for 7th grade assessment test.

Study elementary school science multiple choice questions (MCQs): 'radioisotopes' are used to trace, for free online courses with choices 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 for online learning uses of radioisotopes quiz questions 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