Class 7 Online Courses

Chapter 2: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 2

Atoms and Atom Model Multiple Choice Questions PDF Download - 33

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The Multiple Choice Question (MCQ Quiz): 'Radioisotopes' are used to trace, "Atoms and Atom Model" App Download (Free) with answers harmful substances in a human body, path of elements in a body, cancer cells in a human body and harmful substances in metals to learn online school courses. Solve uses of radioisotopes quiz questions, download Google eBook (Free Sample) for online classes.

Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 33

MCQ 161: 'Radioisotopes' are used to trace

A) path of elements in a body
B) harmful substances in a human body
C) cancer cells in a human body
D) harmful substances in metals

MCQ 162: The number of proton in an 'atom' is also known as

A) atomic number
B) nucleon number
C) mass number
D) photon number

MCQ 163: The symbol of "oxygen" is

A) C
B) N
C) O
D) Fl

MCQ 164: The valency of 'bromine' is

A) 1
B) 2
C) 3
D) 4

MCQ 165: Electrons are shared in

A) pairs
B) individuals
C) sets of three
D) sets of four

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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)