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

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science Competitive Exam MCQs – Practice Test 29 (Chapter 1)

Atoms and Atom Model MCQs with Answers PDF Download – Test 29

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Learn Atoms and atom model Multiple Choice Questions (MCQs) with Answers PDF (Atoms and Atom Model MCQs PDF e-Book) download Ch. 1-29 to study Class 7 Science Course. Learn Atoms and Atom Model Quiz Questions and Answers to enhance science knowledge. Free Class 7 Science Study App: Download the Atoms and Atom Model MCQs App to electron levels, atoms and discovery, chemical formulas, uses of radioisotopes test prep for science middle school platforms.

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Atoms and Atom Model MCQs – Practice Test 29 PDF Download

MCQ 141: The mass number of 'helium' is:

  1. 2
  2. 4
  3. 6
  4. 8

MCQ 142: Experiment which suggested that each chemical element is made up of different atoms, was carried out by:

  1. John Green
  2. John Dalton
  3. Albert Einstein
  4. Isaac Newton

MCQ 143: 'Helium' is a monoatomic gas and its chemical formula is:

  1. He2
  2. He2
  3. He
  4. H

MCQ 144: The turbines are connected to:

  1. dynamos
  2. generators
  3. turbines
  4. transformers

MCQ 145: 'Atom' is a:

  1. Latin word
  2. French word
  3. Greek word
  4. Roman word

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