Iron
Oxygen is the element whose most common oxidation state is -2. In fact, it only shows oxidation states of +2,+1 in compounds OF2, O2F2. It is because oxygen is the second most electronegative element behind Fluorine.
Calcium (Ca) typically has an oxidation state of +2.
The ion number for lead can vary depending on the element's oxidation state. Common oxidation states for lead include +2 and +4.
An oxidation number of 2 means the element has lost or gained 2 electrons in a chemical compound. The oxidation number is a measure of the element's ability to combine with other elements.
This is a compound. Compounds don't have oxidation numbers, only their constituent elements do. If you must have an answer, use 0.
Variable oxidation state refers to (an element) having more than 1 oxidation states. e.g. Cobalt having oxidation states +2 & +3, similarly Fe having +2 & +3, Cr +2, +3 & +6
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.
In Mg2P2O7, magnesium (Mg) has an oxidation state of +2, phosphorus (P) has an oxidation state of +5, and oxygen (O) has an oxidation state of -2. The sum of the oxidation states for each element in the compound must equal zero due to its neutrality.
Zinc commonly exists in compounds in the +2 oxidation state only, and as a metal with an oxidation state of 0.0, 1 and 2 oxidation states
Oxygen is the element whose most common oxidation state is -2. In fact, it only shows oxidation states of +2,+1 in compounds OF2, O2F2. It is because oxygen is the second most electronegative element behind Fluorine.
Calcium (Ca) typically has an oxidation state of +2.
The common oxidation states for copper are +1 and +2. However, copper can exhibit other oxidation states such as +3 and even +4 in some rare cases.
The oxidation state of calcium is +2.
The ion number for lead can vary depending on the element's oxidation state. Common oxidation states for lead include +2 and +4.
An oxidation number of 2 means the element has lost or gained 2 electrons in a chemical compound. The oxidation number is a measure of the element's ability to combine with other elements.
0, 1 and 2 oxidation states
This is a compound. Compounds don't have oxidation numbers, only their constituent elements do. If you must have an answer, use 0.