Class 7 Science MCQs - Chapter 2
Atoms and Atom Model Multiple Choice Questions (MCQ) PDF - 36
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Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 36
MCQ 176: Gamma rays are also used to check the
- strength of metals
- properties of metal
- thickness of metal
- all of them
MCQ 177: Gamma rays are used to detect
- faults in human body
- faults in metals
- thieves and robbers
- weapons
MCQ 178: A charged atom is called
- ion
- charger
- positron
- negatron
MCQ 179: The number of bonds an atom can form is called
- power of atom
- valency of atom
- strength of atom
- capacity of atom
MCQ 180: The more the neutrons in an atom, the
- lighter it is
- heavier it is
- brighter it is
- cooler it is
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