give the oxidation number of the indicated atoms/ion. na in nacl

Answer:

A. +1

Explanation:

Step1: Recall oxidation - number rules

In a neutral compound, the sum of oxidation numbers is 0.

Step2: Determine Cl's oxidation number

Chlorine (Cl) in a binary ionic compound like NaCl has an oxidation number of - 1.

Step3: Calculate Na's oxidation number

Let the oxidation number of Na be (x). Then (x+( - 1)=0), so (x = + 1).