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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.
विकल्प
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
Arrangement of electrons in the shells of an atom.
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)
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
Tick the most appropriate answer
β-particles are actually a stream of
- protons
- electrons
- neutrons
- none of these
TRUE \ FALSE
Electrons are present in the nucleus.
Why is an atom neutral inspite of the presence of charged particles in it?
Name the sub-atomic particle whose charge is 0.
Define the term Valence shell.
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 _______.
