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प्रश्न
Name the following:
The element which does not contain any neutron in its nucleus.
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उत्तर
Hydrogen
APPEARS IN
संबंधित प्रश्न
Fill in the blank
The ..........................of an atom is very hard and dense.
How does the existence of isotopes contradict Dalton’s atomic theory?
FILL IN THE BLANK
Amount of energy stored inside the ..................... is known as nuclear energy.
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
WRITE SHORT ANSWER
What is the central part of an atom known as?
State Dalton's atomic theory.
How was it shown that atom has empty space?
State one major drawback of Rutherford's model.
What are nucleons? How many nucleons are present in phosphorus? Draw its structure.
