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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.
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 ..........................
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
TRUE \ FALSE
Uranium-235 and uranium-238 both undergo nuclear fission.
WRITE SHORT ANSWER
What is the central part of an atom known as?
How was it shown that atom has empty space?
Choose the correct option
Rutherford's alpha-particle scattering experiment discovered
