Class 7 Courses

Chapter 1: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 1

Atoms and Atom Model Multiple Choice Questions (MCQ) PDF Download - 6

The Atoms and atom model Multiple Choice Questions (MCQ Quiz) with Answers PDF (Atoms and Atom Model MCQ PDF e-Book) download Ch. 1-6 to learn Grade 7 Science Course. Study Science and Radioisotopes Multiple Choice Questions and Answers (MCQs) PDF, Atoms and Atom Model Quiz Questions and Answers for online certificate programs. The Atoms and Atom Model MCQ App Download: Free educational app for science and radioisotopes, mass number and isotopes, atoms and discovery, electrons and shells, valencies and valency table test prep for free online classes.

The MCQs: The isotope of uranium (Uranium-238) contains; "Atoms and Atom Model" App (Android, iOS) with answers: 142 neutrons; 141 neutrons; 146 neutrons; 149 neutrons; for online certificate programs. Practice Science and Radioisotopes MCQ Questions, download Apple e-Book (Free Sample) for distance education.

Atoms and Atom Model MCQs with Answers PDF Download: Quiz 6

MCQ 26:

The isotope of uranium (Uranium-238) contains

  1. 141 neutrons
  2. 142 neutrons
  3. 146 neutrons
  4. 149 neutrons
MCQ 27:

As neutrons have electrical charge, they do not effect

  1. bonding properties
  2. physical properties
  3. chemical properties
  4. thermal properties
MCQ 28:

The theory about atom was first put forward by a Greek philosopher

  1. Williams
  2. Democritus
  3. Isaac Newton
  4. Galileo
MCQ 29:

Electrons revolve around the nucleus as fast as

  1. sound in air
  2. sound in liquid
  3. sound in solid
  4. sound in light
MCQ 30:

If hydrogen forms only one bond, then the valency of hydrogen is

  1. 1
  2. -1
  3. 7
  4. 2

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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)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (iOS & Android)