Question

1. Assign oxidation number to each atom
in the following species.
a. Cr(OH), b. Na,s,o,
c. H.BO,​

Answer 1

Answer:

Explanation:

Explanation:

The oxidation number of a free element is always 0.

The oxidation number of a monatomic ion equals the charge of the ion.

The oxidation number of H is +1, but it is -1 in when combined with less electronegative elements.

The oxidation number of O in compounds is usually -2, but it is -1 in peroxides.