Class 7 Science MCQs - Chapter 3
Atoms Molecules and Ions Quiz Questions and Answers PDF - 7
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The Quiz: In nucleus, mass of an atom is more than; "Atoms Molecules and Ions" App Download iOS & Android (Free) with answers 0.9499, 0.9994, 0.9949 and 0.4999 to learn online classes courses. Study chemical formulae of molecular element and compound quiz questions, download Amazon eBook (Free Sample) for online elementary school classes.
Atoms Molecules and Ions Questions & Answers PDF Download: MCQ Quiz 7
MCQ 31: In nucleus, mass of an atom is more than
- 0.9994
- 0.9499
- 0.9949
- 0.4999
MCQ 32: A theory of movement of electrons in a fixed orbit around nucleus was given by
- Thomson's Model
- Rutherford's Model
- Dalton's Model
- Bohr Model
MCQ 33: Two or more atoms chemically combined together form a
- atom
- molecule
- nucleus
- atomic number
MCQ 34: An electrically charged particle which is formed when an atom gains or loses electron is called
- ion
- charge
- formula
- neutron
MCQ 35: The number and types of atoms a molecule contain, are shown by its
- chemical formula
- molecular formula
- structural formula
- atomic formula
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