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प्रश्न
Multiple Choice Questions
The outermost shell of an atom is known as
पर्याय
valency
valence electrons
nucleus
valence shell
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उत्तर
valence shell
APPEARS IN
संबंधित प्रश्न
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
What are the two main parts of which an atom is made of?
Tick the most appropriate answer.
In 1908, R A Millikan found the charge of an electron to be
- 1.6 x 10-19 C
- 1.6 x 10-15 C
- 1.4 x 10-19 C
- 1.6 x 19-16 C.
TRUE \ FALSE
Electrons are present in the nucleus.
WRITE SHORT ANSWER
What is an atom?
State its one drawback of Rutherford’s atomic model.
Define the term Mass number.
Define the term Nucleons.
Explain in brief – Goldstein’s experiment which led to the discovery of the proton.
Select the correct answer from the choice in the bracket to complete the sentence:
Magnesium atom with electronic configuration 2, 8, 2 achieves stable electronic configuration by losing two electrons, thereby achieving stable electronic configuration of the nearest noble gas _______.
