0 in elemental form, +2 in all its compounds.
Magnesium is in the group 2. 0 is the lowest oxidation number for it.
Singl atom has 12 electrons. Oxidation number of it is +2.
The oxidation number of magnesium in magnesium sulfide is +2. Sulfur typically has an oxidation number of -2 in ionic compounds.
The oxidation number of magnesium is +2. Any other for this element would be energetically unfavorable and unstable.
+2 for Mg, +4 for C, -2 for each O in MgCO3
In magnesium bromide (MgBr2), magnesium has an oxidation number of +2 and each bromine atom has an oxidation number of -1. This is because magnesium typically forms 2+ cations, while bromine forms 1- anions.
In compounds, magnesium has a +2 oxidation state; in most but not quite all compounds, oxygen has a -2 oxidation state. In peroxides, oxygen has a -1 oxidation state. In oxygen fluorides, oxygen has positive oxidation states.
The most common oxidation number of magnesium is +2.
+2
Magnesium and carbonate are divalent.
The oxidation numbers of atomic magnesium and atomic chlorine are 0. They react with each other to form magnesium chloride. After the formation of the salt, magnesium ions have +2 oxidation number where that of chloride ions is -1.
There are two oxidation numbers for magnesium. those are 0 and +2.