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The number of electrons plus neutrons in...

The number of electrons plus neutrons in `._(19)^(40)K^(+)` is-

A

38

B

59

C

39

D

40

Text Solution

Verified by Experts

The correct Answer is:
C
`""_19^40 K^(+)`
Neutrons = 21, Electron = 18
`21 + 18 = 39`
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