Atoms and Atom Model Multiple Choice Questions and Answers 24 PDF Download

Learn atoms and atom model MCQs, grade 7 science test 24 for online learning courses and test prep. Ionic bonds multiple choice questions (MCQs), atoms and atom model quiz questions and answers include science worksheets for grade 7 assessment test.

Science multiple choice questions (MCQ): when transfer of electrons takes place, sodium and chlorine atoms turn into with options electrons and protons, ions, positrons and negatrons and neutrons and photons, ionic bonds quiz for online kids learning with cooperative learning portal for science grade 7 students. Free science study guide to learn ionic bonds quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Worksheets 24 Quiz PDF Download

MCQ: When transfer of electrons takes place, sodium and chlorine atoms turn into

  1. ions
  2. electrons and protons
  3. positrons and negatrons
  4. neutrons and photons


MCQ: Activity of organs in a human body can be studied by

  1. injected medicines in the body
  2. injected chip in human body
  3. injected radioisotope in human body
  4. injected monitors in the body


MCQ: In element Uranium-235, combined number of neutrons and protons is

  1. 92
  2. 235
  3. 35
  4. 200


MCQ: 'Chlorine' becomes an anion because

  1. it loses a proton
  2. it gains a proton
  3. it loses an electron
  4. it gains an electron


MCQ: A material which is made up of one type of atom is known as

  1. element
  2. compound
  3. mixture
  4. molecule