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प्रश्न
Define the term Nucleons.
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उत्तर
The protons and neutrons collectively are known as nucleons.
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संबंधित प्रश्न
Fill in the blank
The outermost shell of an atom is known as............................
Write true or false for the following statement
The central pad of the atom is called 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
Gases become good conductors of electricity under ........ (low/high) pressure and .............. (low/high) voltage electrical discharge.
TRUE \ FALSE
Electrons are present in the nucleus.
WRITE SHORT ANSWER
Describe a discharge tube.
ANSWER IN DETAIL
Name the three subatomic particles. How are they different from each other ?
Explain in brief – Goldstein’s experiment which led to the discovery of the proton.
Select the correct answer from the choice in the bracket to complete the sentence:
An element ‘X’ has six electrons in its outer or valence shell. Its valency is __________.
