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प्रश्न
‘Electrons revolve around the nucleus in fixed orbits or shells called energy levels’. State how these energy levels are represented.
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उत्तर
- Electrons revolve around the nucleus in – fixed ‘orbits’ called energy levels
- The energy levels 1, 2, 3… are represented by – integer ‘n’ or as K, L, M, N…
- Electrons rotate around the nucleus, in one or more of the energy levels.
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संबंधित प्रश्न
Fill in the blank
The ..........................of an atom is very hard and dense.
Draw the diagrams representing the atomic structures of the following: Nitrogen.
FILL IN THE BLANK
Amount of energy stored inside the ..................... is known as nuclear energy.
TRUE \ FALSE
Uranium-235 and uranium-238 both undergo nuclear fission.
ANSWER IN DETAIL
How are radioactive radiations useful in medicines ?
Which part of atom was discovered by Rutherford?
Name the following:
The element which does not contain any neutron in its nucleus.
Choose the correct option
Rutherford's alpha-particle scattering experiment discovered
Explain in brief the experimental proof which led to the discovery of –
Atomic nucleus
What is meant by the term nucleus
