Class 7 Online Courses

Chapter 2: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 2

Atoms and Atom Model Quiz Questions and Answers PDF - 31

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Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 31

MCQ 151: Medical instruments can be sterilized using

A) heat
B) boiled water
C) radiations
D) energy

MCQ 152: Sodium and chlorine are attracted to each other because they are

A) ions
B) positively charged
C) negatively charged
D) oppositely charged

MCQ 153: The nearest shell to a nucleus is called

A) shell A
B) shell K
C) shell S
D) shell C

MCQ 154: The number of elements are approximately

A) fifty
B) eighty
C) hundred
D) two hundred

MCQ 155: Atoms are linked together by chemical bonds. The two common chemical bonds are

A) ionic and dative bonds
B) ionic and covalent bonds
C) dative and covalent bonds
D) ionic and metallic bonds

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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 (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)