The oxidation state of calcium is +2.
Calcium (Ca) typically has an oxidation state of +2.
The oxidation number of Ca in CaC2O4 is +2 because Ca, a group 2 element, typically has a +2 oxidation state in compounds. The oxidation number of C in C2O4 is +3 because the overall charge of the oxalate ion is -2, and there are two C atoms, each with an oxidation state of +3 to balance the charge.
The oxidation number of Calcium (Ca) is +2
The element with the lowest oxidation state on the periodic table is Francium.
Element Phosphorus has an oxidation state of -4. No element has oxidation state of +4. Phosphorus is denoted by "P".
the oxidation number is 0
Vanadium is an element that commonly exhibits an oxidation state of +5.
Mercury's most common oxidation state is +2
Hydrogen is an element that can have an oxidation state of -1 when it is part of a hydride ion, such as in lithium hydride (LiH).
those elements which can donate two electrons will possess plus two oxidation state like calcium , magnesium ,etc...
Oxidation state of any element in its elemental state is 0
all the pure elements have zero oxidation state.....