Class 7 Online Courses

Chapter 3: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 3

Atoms Molecules and Ions Multiple Choice Questions (MCQ) PDF - 1

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Atoms Molecules and Ions MCQ Quiz PDF Download: Science Test 1

MCQ 1: Chloride ion has number of protons

A) 17
B) 18
C) 24
D) 34

MCQ 2: Smaller particles in an atom are called

A) atomic particles
B) subatomic particles
C) smaller particles
D) neutral particles

MCQ 3: Chemical symbol represents

A) chemical formula
B) molecular formula
C) structural formula
D) atomic formula

MCQ 4: The number of protons in a 'carbon' atom is

A) 6
B) 11
C) 12
D) 10

MCQ 5: A modern model of an atom shows that electrons are present outside nucleus in the region of high

A) probability
B) velocity
C) speed
D) energy level

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7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)