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प्रश्न
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.
पर्याय
proton
neutron
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उत्तर
A neutron is a sub-atomic particle with no charge and unit mass.
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संबंधित प्रश्न
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Mention briefly the salient features of Dalton’s atomic theory (five points)
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
ANSWER IN DETAIL
Write a note on valence shell.
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
The particle not present in an ordinary hydrogen atom is :
Name the sub-atomic particle whose charge is 0.
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 _______.
What is meant by the term subatomic particles?
