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29 electrons are removed from Zn-atom (Z...

29 electrons are removed from Zn-atom (Z=30)by certain means. The minimum energy needed to remove the 30th electron, will be

A

`12.24keV`

B

`408 eV`

C

`0.45 eV`

D

None of these

Text Solution

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The correct Answer is:
A
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