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Mass numbers of Li, Be and B are 7, 9 an...

Mass numbers of `Li, Be and B` are 7, 9 and 10 respectively. Which of the following has two electrons, three protons and four neutrons? 

A

`B^(+)`

B

`Be^(+)`

C

`Li^(+)`

D

`Be`

Text Solution

Verified by Experts

The correct Answer is:
C
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