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प्रश्न
Name the three fundamental particles of an atom.
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उत्तर
The three fundamental particles of an atom are electron proton and neutron.
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संबंधित प्रश्न
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
FILL IN THE BLANK
Gases become good conductors of electricity under ........ (low/high) pressure and .............. (low/high) voltage electrical discharge.
Tick the most appropriate answer
β-particles are actually a stream of
- protons
- electrons
- neutrons
- none of these
TRUE \ FALSE
Electrons are present in the nucleus.
WRITE SHORT ANSWER
What is an atom?
WRITE SHORT ANSWER
Name the isotopes of hydrogen.
WRITE SHORT ANSWER
What is the number of neutrons present in a potassium atom ?
Which of the following statement is always correct?
State how electrons are distributed in an atom. Explain in brief the rules which govern their distribution.
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 __________.
