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प्रश्न
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
पर्याय
True
False
उत्तर
false
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संबंधित प्रश्न
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
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
Gases become good conductors of electricity under ........ (low/high) pressure and .............. (low/high) voltage electrical discharge.
FILL IN THE BLANK
The γ-rays are............................ radiations, like light.
TRUE \ FALSE
Electrons are present in the nucleus.
Fill in the blank of the following statement :
The electron has _________ charge, the proton has _________ charge, and the neutron has _________ charge.
State its one drawback of Rutherford’s atomic model.
Select the correct answer from the choice in the bracket to complete the sentence:
A ________ is a sub-atomic particle with no charge and unit mass.
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 _______.
