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Assertion : All the isotopes of a given ...

Assertion : All the isotopes of a given element show same chemical behaviour.
Reason : Isotopes have different number of neutrons present in the nucleus.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Chemical properties of atoms are controlled by the number of electrons, which are determined by the number of protons in the nucleus. Number of neutrons present in the nucleus have very little effect on the chemical properties of an element.
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All isotopes of a given element show the same type of chemical behaviour:

Assertion(A): All isotopes of a given element show the same type of chemical behaviour. Reason(R) The chemical properties of an atom are controlled by the numb er of electron s in the atom.

Isotopes of an element have the same atomic number.