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प्रश्न
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
उत्तर
Neutrons are neutral particles having mass equal to that of protons.
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संबंधित प्रश्न
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Tick the most appropriate answer.
Which of the following scientists observed that cathode rays consists of negatively charged particles?
- John Dalton
- J J Thomson
- James Chadwick
- Democritus
TRUE \ FALSE
Electrons are present in the nucleus.
WRITE SHORT ANSWER
What is the charge on a neutron ?
ANSWER IN DETAIL
Name the three subatomic particles. How are they different from each other ?
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
Define the term Mass number.
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 _______.
What is meant by the term subatomic particles?
