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प्रश्न
Differentiate between the following term:
Nucleus and nucleons
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उत्तर
Differentiate between:
Nucleus:
- Nucleus is central space of atom. It is solid massive, positively charged, dense, and very-very small as compared to the size of an atom.
Nucleons:
- Nucleons are the sum of protons and neutrons, present in the nucleus.
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संबंधित प्रश्न
Fill in the blank
The ..........................of an atom is very hard and dense.
FILL IN THE BLANK
The protons and neutrons are held firmly in the nucleus by strong .........................
Tick the most appropriate answer
Which one of the following scientists put forward the theory regarding the extra-nuclear structure of the atom?
- James Chadwick
- John Dalton
- Rutherford
- Niels Bohr
Tick the most appropriate answer.
Which of the following is used as a coolant in nuclear reactor?
- liquid sodium
- liquid nitrogen
- cadmium steel rods
- plutonium
Which part of atom was discovered by Rutherford?
How was it shown that atom has empty space?
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
‘Electrons revolve around the nucleus in fixed orbits or shells called energy levels’. State how these energy levels are represented.
Explain in brief the experimental proof which led to the discovery of –
Atomic nucleus
