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प्रश्न
Where is the nucleus of an atom situated?
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उत्तर
The nucleus is a centrally located positively charged mass.
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संबंधित प्रश्न
Fill in the blank
The ..........................of an atom is very hard and dense.
Give the following a suitable word/phrase.
The number of protons present in the nucleus of an atom.
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.
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
TRUE \ FALSE
Uranium-235 and uranium-238 both undergo nuclear fission.
On the basis of Rutherford's model of an atom, which subatomic particle is present in the nucleus of an atom?
State one major drawback of Rutherford's model.
What are nucleons? How many nucleons are present in phosphorus? Draw its structure.
‘Electrons revolve around the nucleus in fixed orbits or shells called energy levels’. State how these energy levels are represented.
