1.

An elements is in M^(3+) form. Its electronic configuration is [Ar]3d^(1) the ion is

Answer»

`Ti^(3+)`
`Ti^(4+)`
`CA^(2+)`
`Sc^(+)`

Solution :`(Ar)3D^(1)+3=Ti`, it means `M^(3+)` form `Ti^(3+)` ION.


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