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प्रश्न
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
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उत्तर
Neutrons are neutral particles having mass equal to that of protons.
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संबंधित प्रश्न
Fill in the blank
The outermost shell of an atom is known as............................
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
Define the term Atomic number.
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
What are the two main parts of which an atom is made of?
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
WRITE SHORT ANSWER
What is an atom?
Compare an electron and a proton in respect of mass and charge.
Define the term Mass number.
What is meant by the term subatomic particles?
