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प्रश्न
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.
पर्याय
proton
neutron
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उत्तर
A neutron is a sub-atomic particle with no charge and unit mass.
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संबंधित प्रश्न
Give the following a suitable word/phrase.
Protons and neutrons present in the nucleus.
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
Define the term Atomic number.
FILL IN THE BLANK
The electrons revolving in shells close to the nucleus are called ................... electrons.
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 do you mean by electron transition?
WRITE SHORT ANSWER
What is the number of neutrons present in a potassium atom ?
Why is an atom neutral inspite of the presence of charged particles in it?
The particle not present in an ordinary hydrogen atom is :
Define the term Valence shell.
