-2 for each Oxygen
+4 for each Carbon
3+
+3
Oxidation number of a free element is 0. Ex: Ag 2= 0
Zn is a d block element. Oxidation number of it is +2.
For Mg the oxidation no is +2 while it is -2 for oxygen.
3+
+3
Oxidation number of a free element is 0. Ex: Ag 2= 0
Zn is a d block element. Oxidation number of it is +2.
Zn is a d block element. Oxidation number of it is +2.
For Mg the oxidation no is +2 while it is -2 for oxygen.
If the question is Ga2, then it is equivalent to Ga and the oxidation number for any element is zero.If the question is Ga2+, then the oxidation number is +2.
0- any element by itself has an oxidation number of 0.
The oxidation number tells you the "combining power" of that element. For example, if Cu has a 1+ oxidation number then it will combine with Cl in a 1:1 ratio, and result in CuCl. If Cu has an oxidation number of 2+, then it will combine with Cl in a 1:2 ratio, and result in CuCl2.
In chemistry, the oxidation state is a number assigned to an element as an indicator of the degree of oxidation of an atom in a chemical compound."The charge an element would have if it were an ion "Oxidation state is the same as the oxidation number. It is an indicator of the degree of oxidation of an atom in a chemical compound.
The oxidation number of any element by itself is 0.
the answer is -2.Related Information:The oxidation number of oxygen when it appears as an element is 0. The oxidation number in all compounds but peroxides is -2. The oxidation number of oxygen in peroxides is -1.