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प्रश्न
Multiple Choice Questions
The outermost shell of an atom is known as
विकल्प
valency
valence electrons
nucleus
valence shell
उत्तर
valence shell
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संबंधित प्रश्न
Multiple Choice Questions
number of valence electrons present in magnesium is
Mention briefly the salient features of Dalton’s atomic theory (five points)
Explain the rule with example according to which electrons are filled in various energy levels
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
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
Name the sub-atomic particle whose charge is 0.
Name the three fundamental particles of an atom.
Define the term Valence shell.
State how electrons are distributed in an atom. Explain in brief the rules which govern their distribution.
