Class 7 Courses

Chapter 1: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 1

Atoms and Atom Model Trivia Questions and Answers PDF - 12

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Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 12

MCQ 56:

Neutrons have

  1. negative charge
  2. positive charge
  3. no charge
  4. both charges
MCQ 57:

Strong radioisotopes can be used to destroy

  1. organs
  2. bacteria
  3. viruses
  4. cancer cells
MCQ 58:

The ionic chemical formula of aluminum is

  1. Al-2
  2. Al+2
  3. Al-3
  4. Al+3
MCQ 59:

When shell K is completed, next electron moves to

  1. shell M
  2. shell S
  3. shell P
  4. shell L
MCQ 60:

The atomic number of carbon is 6, hence there are

  1. 2 protons and 4 electrons
  2. 6 protons and 12 electrons
  3. 6 protons and 12 neutrons
  4. 12 protons and 6 electrons

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Atoms and Atom Model App (Android & iOS)

Atoms and Atom Model App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (iOS & Android)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (iOS & Android)