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

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Class 7 Science MCQs – Practice Test 10 (Chapter 1)

Atoms and Atom Model MCQ with Answers PDF Download – Test 10

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Learn Atoms and atom model Multiple Choice Questions (MCQ Quiz) with Answers PDF (Atoms and Atom Model MCQ PDF e-Book) download Ch. 1-10 to learn Class 7 Science Course. Study Electron Levels Multiple Choice Questions and Answers (MCQs) PDF, Atoms and Atom Model Quiz Questions and Answers for science digital learning success. Free Atoms and Atom Model Study App: Download the Class 7 Science MCQ App to learn electron levels, covalent bonds, mass number and isotopes, common ions, uses of radioisotopes test prep for science homework digital support.

Free "Atoms and Atom Model Study" App (iOS & Android) with MCQ: Atomic number of sodium is 11 and its atomic mass is 23 and the number of protons and neutrons in an atom of sodium is; with answers: 11 and 23, 11 and 11, 23 and 11, and 11 and 12 for science digital learning success. Practice Electron Levels MCQ Questions, download Apple Book (Free Chapter) to prepare science exams online.

Atoms and Atom Model MCQ – Practice Test 10 PDF Download

MCQ 46: The atomic number of sodium is 11 and its atomic mass is 23 and the number of protons and neutrons in an atom of sodium is:

  1. 11 and 11
  2. 11 and 23
  3. 23 and 11
  4. 11 and 12

MCQ 47: Most of the covalent compounds are found in:

  1. solid state
  2. gaseous state
  3. liquid state
  4. both in liquid and gaseous state

MCQ 48: The radioactive isotope of carbon is:

  1. carbon-12
  2. carbon-13
  3. carbon-14
  4. carbon-6

MCQ 49: The ionic chemical formula of potassium is:

  1. K-
  2. K+
  3. K-
  4. K+

MCQ 50: Nuclear batteries are:

  1. small in size
  2. very heavy
  3. harmful
  4. enlarge in size

Class 7 Science Notes App & e-Book – Atoms and Atom Model Exam Prep

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