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A monoatomic ion that has 18 electrons a...

A monoatomic ion that has 18 electrons and `+2` charge:

A

Has 16 ptotons

B

Has the symbol `Ar^(2+)`

C

has 18 neutroons

D

is isoeoleecttronnic with Ar

Text Solution

Verified by Experts

The correct Answer is:
d
No .of p=18+2=20
ar has `18 e^(-)`
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