* Sodium (Na): Sodium is an alkali metal and always has an oxidation state of +1 in its compounds.
* Chlorine (Cl): Chlorine is a halogen and typically has an oxidation state of -1.
* Copper (Cu): To find the oxidation state of copper, we can use the following:
* The overall charge of the compound is 0 (neutral).
* The sum of the oxidation states of all atoms in the compound must equal 0.
Let 'x' represent the oxidation state of copper.
* (+1) + (x) + 2(-1) = 0
* 1 + x - 2 = 0
* x = +1
Therefore, the oxidation states in NaCuCl₂ are:
* Na: +1
* Cu: +1
* Cl: -1