oxygen and fluorine
Nonmetals typically have negative oxidation numbers when they form compounds. For example, oxygen usually has an oxidation number of -2, while hydrogen typically has an oxidation number of +1. The oxidation number of a nonmetal can vary depending on the compound it is part of.
Metallic aluminium has the oxidation number zero. In compounds in the form of ions, it takes the oxidation number +III.Metallic aluminium has the oxidation number zero. In compounds in the form of ions, it takes the oxidation number +III.
0 in the elemental form and +2 in its compounds
Nitrogen and oxygen are both nonmetals that can form a variety of polyatomic ions and molecules with multiple oxidation states. Nitrogen can form compounds with different oxidation states ranging from -3 to +5, while oxygen can form compounds with oxidation states ranging from -2 to -1.
Yes, uranium can form covalent compounds. Uranium typically exhibits a wide range of oxidation states and can form covalent bonds with nonmetals such as oxygen, fluorine, and carbon.
0 in elemental form +1 in its compounds
0 in the elemental form. +2 and +4 in its compounds
The change in the oxidation number of Zn is 0 in most cases because the oxidation number of zinc in its elemental form is 0. When zinc forms compounds, it typically has an oxidation number of +2. So when Zn is oxidized to form a compound, the oxidation number increases from 0 to +2.
0 in elemental form +3 in its compounds
0 in the elemental form, +3 in its compounds.
0 in elemental form and +1 in its compounds
The oxidation number of mercury (Hg) can vary depending on the compound it is in. For example, in elemental form or in compounds where it is not bound to other elements, the oxidation number of Hg is 0. In compounds like HgCl2, where it is bonded to other atoms, its oxidation number is usually +2.