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प्रश्न
Multiple Choice Questions
The number of electrons in an atom is equal to number of
विकल्प
protons in a neutral atom
neutrons in a neutral atom
nucleons in a neutral atom
none of the above
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उत्तर
protons in a neutral atom
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संबंधित प्रश्न
Fill in the blank
The ..........................of an atom is very hard and dense.
FILL IN THE BLANK
Amount of energy stored inside the ..................... is known as nuclear energy.
WRITE SHORT ANSWER
What is the central part of an atom known as?
ANSWER IN DETAIL
How are radioactive radiations useful in medicines ?
State Dalton's atomic theory.
How was it shown that atom has empty space?
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.
What is meant by the term nucleus
