Question

I
what is tricks learn oxidation number of d block element??​

Answer 1

Explanation:

oxidation is the process of addition of oxygen and removal of hydrogen

Answer 2

Answer:

Explanation:

Elements Outer electronic configuration Oxidation states

Sc 3d1 4s2 + 2, + 3

Ti 3d2 4s2 + 2, + 3, + 4

V 3d3 4s2 + 2,+ 3,+ 4,+ 5

Cr 3d5 4s1 + 1, + 2, + 3, + 4, + 5, + 6