Class 9 Chemistry Online Tests
Atoms Reaction MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Nobel gases are stable because they contain; "Atoms Reaction" App Download (Free) with answers: 7 electrons in valence shell; 8 electrons in valence shell; 5 electrons in valence shell; 4 electrons in valence shell; to learn online certification courses. Solve Structure of Molecules Quiz Questions, download Apple eBook (Free Sample) for online classes.
Atoms Reaction MCQs: Questions and Answers PDF Download
The tendency of atoms to acquire eight electrons in their valence shell is
- octet rule
- duplet rule
- triplet rule
- none of above
Nobel gases are stable because they contain
- 7 electrons in valence shell
- 8 electrons in valence shell
- 5 electrons in valence shell
- 4 electrons in valence shell
Helium is chemically
- active
- inert
- unstable
- none of above
Class 9 Chemistry Practice Tests
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