Assertion: Isotopes are electrically neutral
Reason: Isotopes are species with same mass number but different atomic number

Both Assertion and Reason are correct and Reason is the correct explanation of Assertion

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Both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Isotopes are variants of a particular chemical element which differ in neutron number and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

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Assertion: Isotopes are electrically neutral Reason: Isotopes are species with same mass number but different atomic number

The correct option is C Assertion is correct but Reason is incorrectIsotopes are variants of a particular chemical element which differ in neutron number and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

Assertion: Isotopes are electrically neutral
Reason: Isotopes are species with same mass number but different atomic number

The correct option is C Assertion is correct but Reason is incorrect
Isotopes are variants of a particular chemical element which differ in neutron number and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.