Q. 25.0( 2 Votes )

The electronic co

Answer :

The atomic number of Argon is 18.

It is also given that the oxidation state of the element is +3.

Therefore the atomic number of the element is given by:

= Atomic Number of Argon + 7 + 3

= 18 +10

= 28

Therefore the element is Nickel.

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