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Assertion Mass of ion is slightly differ...

Assertion Mass of ion is slightly differed from its element.
Reason Ion is formed, when some electrons are removed or added, so mass changes.

A

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

B

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

C

If assertion is true but reason is false.

D

If the assertion and reason both are false

Text Solution

Verified by Experts

The correct Answer is:
A
When e’s are removed `rarr` mass decreases `(darr)`
When e’s are added `rarr` mass increases `(uarr)`
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