3. Nucleus is a very small region situated in the centre of the atom.

True

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False

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Solution

The correct option is A True
The nucleus is a very small region situated in the center of the atom.
The protons and neutrons collectively present inside the nucleus are called nucleons.
The electrons revolve around the nucleus in fixed orbits or shells.
Therefore, the given statement is true.

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Similar questions

(a) Where is the nucleus of an atom situated ?

(b) What are orbits or shells of an atom ?

(c)What are isotopes ? How does the existence of isotopes contradict Dalton's atomic theory ?

A very small region situated in the centre of atom, is called a/an

_________ is a very small region situated in the center of the atom.

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