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प्रश्न
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
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उत्तर
Relative masses :relative mass of a neutron is 1u, that of a proton is also 1u and that of an electron is (1/1840) u.
Charge: Charge of a proton is +1, that of an electron is –1 and that of a neutron is zero.
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संबंधित प्रश्न
Fill in the blank
The outermost shell of an atom is known as............................
What are the two main parts of which an atom is made of?
FILL IN THE BLANK
The γ-rays are............................ radiations, like light.
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
Name the negatively charged particle present in the atoms of all the elements.
Name the sub-atomic particle whose charge is 0.
Define the term Nucleons.
Select the correct answer from the choice in the bracket to complete the sentence:
A ________ is a sub-atomic particle with no charge and unit mass.
Select the correct answer from the choice in the bracket to complete the sentence:
Magnesium atom with electronic configuration 2, 8, 2 achieves stable electronic configuration by losing two electrons, thereby achieving stable electronic configuration of the nearest noble gas _______.
