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प्रश्न
What is meant by the term nucleus
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उत्तर
“Subatomic part of the atom which is very small as compared to the size of, atom positively charged, massive and dense present at the centre of the atom.”
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संबंधित प्रश्न
Fill in the blank
The ..........................of an atom is very hard and dense.
Multiple Choice Questions
The number of electrons in an atom is equal to number of
Draw the diagrams representing the atomic structures of the following: Nitrogen.
FILL IN THE BLANK
The protons and neutrons are held firmly in the nucleus by strong .........................
FILL IN THE BLANK
Nuclear energy can be used to make ..........................
On the basis of Rutherford's model of an atom, which subatomic particle is present in the nucleus of an atom?
What are nucleons? How many nucleons are present in phosphorus? Draw its structure.
Explain in brief – Lod Rutherford’s experiment which led to the discovery of the atomic nucleus.
‘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
