0 in elemental form
+1 in all its compounds
0 in the elemental form +1 in its compounds
The oxidation number of Cs in Cs2O is +1 because alkali metals such as Cs typically have an oxidation number of +1 in compounds. The oxidation number of oxygen is usually -2, so the total sum of oxidation numbers in Cs2O is 0.
The oxidation number of cesium (Cs) is always +1.
The oxidation number of Cs (Cesium) is +1, and the oxidation number of Br (Bromine) is -1. In CsBr, Cesium donates one electron to Bromine, resulting in Cs having an oxidation number of +1 and Br having an oxidation number of -1 in the compound.
In CsO2, cesium (Cs) has an oxidation number of +1 because alkali metals typically have an oxidation number of +1. Oxygen (O) typically has an oxidation number of -2 in compounds. Since the overall charge of CsO2 is neutral, the oxidation number of oxygen would be calculated as follows: (oxidation number of Cs) + 2(oxidation number of O) = 0. Therefore, the oxidation number of oxygen in CsO2 is -1.
On the face of it without knowing the structure it would be -2 however that would imply an oxidation number for Cs of +6. Fortunately this compound does not exist which explains the weird oxidation number for Cs. There is a compound Cs11O3 and we get a fractional oxidation number of 6/11- Cs11O3 must contain some Cs-Cs bonding.
In CsAsO3, cesium (Cs) is in Group 1A, which has an oxidation number of +1. Oxygen (O) typically has an oxidation number of -2. Since the compound is neutral, the oxidation number of arsenic (As) can be calculated using the sum of the oxidation numbers in the compound, which is +5 for As in this case.
Hydrogen's oxidation number is +1.Chlorin's oxidation number is +1.Oxygen's oxidation number is -2.
The oxidation number of acetate (CH3COO-) is -1. The carbon atom has an oxidation number of +3, each hydrogen atom has an oxidation number of +1, and the oxygen atoms have an oxidation number of -2.
The oxidation number of each hydrogen in H2CO2 is +1, while the oxidation number of each carbon in CO2 is +4. This is because hydrogen usually has an oxidation number of +1, and oxygen usually has an oxidation number of -2.
Silicon's oxidation number is +4.Oxygen's oxidation number is -2
The oxidation number of nitrosyl (NO) is +1. Nitrogen typically has an oxidation number of -3, and oxygen typically has an oxidation number of -2. In NO, nitrogen has a -3 oxidation number and oxygen has a -2 oxidation number, leading to an overall oxidation number of +1 for the nitrosyl ion.