Class 7 Science Study App | Atoms and Atom Model Notes e-Book PDF

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 24 (Chapter 1)

Atoms and Atom Model Notes Questions with Answers PDF Download – Test 24

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Learn Atoms and atom model Notes Questions and Answers PDF (Atoms and Atom Model Quiz Answers PDF e-Book) download Ch. 1-24 to study Class 7 Science Course. Practice Ionic Bonds MCQ PDF, Atoms and Atom Model Quiz Questions and Answers for science foundational learning courses. Free Class 7 Science Notes App: Download the Atoms and Atom Model Study App to ionic bonds, uses of radioisotopes, mass number and isotopes, atoms and elements test prep for science academic digital tools.

Free "Class 7 Science Notes" App with MCQ: When the transfer of electrons takes place, the sodium and chlorine atoms turn into; with answers: electrons and protons, ions, positrons and negatrons, and neutrons and photons for science foundational learning courses. Practice Ionic Bonds MCQ Questions, download Kobo e-Book (Free Chapter) to pass science exams online.

Atoms and Atom Model MCQs – Practice Test 24 PDF Download

MCQ 116: When the transfer of electrons takes place, the sodium and chlorine atoms turn into:

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

MCQ 117: The 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 118: In element Uranium-235, the combined number of neutrons and protons is:

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

MCQ 119: '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 120: A material which is made up of one type of atom is known as:

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

Atoms and Atom Model Notes App & e-Book – Class 7 Science Admission Tests

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