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प्रश्न
State the location of electrons, protons and neutrons in an atom.
उत्तर
In an atom, the position of subatomic particles is as follows:
Protons: They are positively charged particles present at the centre of the nucleus of an atom.
Neutrons: They are neutral subatomic particles also present in the nucleus of an atom.
Electrons: They are negatively charged particles which revolve in particular orbits around the nucleus of an atom.
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संबंधित प्रश्न
Fill in the blank
The outermost shell of an atom is known as............................
Multiple Choice Questions
number of valence electrons present in magnesium is
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
Define the term Atomic number.
WRITE SHORT ANSWER
Describe a discharge tube.
WRITE SHORT ANSWER
Name the isotopes of hydrogen.
Why is an atom neutral inspite of the presence of charged particles in it?
With reference to the discovery of the structure of an atom, explain in brief – William Crookes experiment for the discovery of cathode rays, followed by – J.J. Thomsons experiment pertaining to the constituents of the cathode rays. State which sub-atomic particle was discovered from his experiment.
State how electrons are distributed in an atom. Explain in brief the rules which govern their distribution.
What is meant by the term subatomic particles?
