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 16 (Chapter 1)

Atoms and Atom Model Notes Questions with Answers PDF Download – Test 16

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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. 1-16 to study Class 7 Science Course. Practice Chemical Formulas MCQ PDF, Atoms and Atom Model Quiz Questions and Answers for science school success programs. Free Class 7 Science Notes App: Download the Atoms and Atom Model Study App to chemical formulas, atoms and elements, electrons and shells, mass number and isotopes, uses of radioisotopes test prep for science achievement learning systems.

Free "Class 7 Science Notes" App with MCQ: Iron is represented by; with answers: fe, c, i, and ir for science school success programs. Practice Chemical Formulas MCQ Questions, download Kobo e-Book (Free Chapter) to enhance logical reasoning.

Atoms and Atom Model MCQs – Practice Test 16 PDF Download

MCQ 76: Iron is represented by:

  1. C
  2. Fe
  3. I
  4. Ir

MCQ 77: The number of protons and electrons in an atom of uranium is:

  1. 90
  2. 91
  3. 92
  4. 94

MCQ 78: Electrons are mainly:

  1. solids
  2. bundle of light
  3. bundle of energy
  4. gases

MCQ 79: Isotopes behave in different way in:

  1. chemical reactions
  2. bonding
  3. electrical conductivity
  4. all of above

MCQ 80: In radioactive decay, some isotopes release a small amount of energy which can be used to:

  1. fire up wood
  2. generate electric current
  3. light up a bulb
  4. light up a whole town

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