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प्रश्न
Give the following a suitable word/phrase.
The electrons present in the outermost shell.
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उत्तर
This outermost shell is known as the valence shell, and the electrons found in it are called valence electrons.
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संबंधित प्रश्न
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Define the term Atomic number.
What are the two main parts of which an atom is made of?
FILL IN THE BLANK
The electrons revolving in shells close to the nucleus are called ................... electrons.
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
WRITE SHORT ANSWER
Name the isotopes of hydrogen.
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
Why is an atom neutral inspite of the presence of charged particles in it?
Explain in brief – Goldstein’s experiment which led to the discovery of the proton.
State how electrons are distributed in an atom. Explain in brief the rules which govern their distribution.
