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प्रश्न
Give the following a suitable word/phrase.
The number of protons present in the nucleus of an atom.
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उत्तर
Atomic number
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संबंधित प्रश्न
Multiple Choice Questions
The number of electrons in an atom is equal to number of
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
ANSWER IN DETAIL
What are the various components of a nuclear power plant?
ANSWER IN DETAIL
How are radioactive radiations useful in medicines ?
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.
Choose the correct option
Rutherford's alpha-particle scattering experiment discovered
Where is the nucleus of an atom situated?
‘Electrons revolve around the nucleus in fixed orbits or shells called energy levels’. State how these energy levels are represented.
