(2) –1 to –2 (4) +3 to +2
The change that shows an oxidation is the change –1 to +2.
The term oxidation has to do with an increase in oxidation number. This increase will always be positive.
Hence, we have to look out for the change in which there is an increase in oxidation number and this occurs for the change –1 to +2.
Learn more about oxidation:brainly.com/question/13110055?
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1. 44 grams
2. KCIO3
3. the third one
hope this helps :)
Avogadro's Number and the Mole. The mole is represented by Avogadro's number, which is 6.022×1023 atoms or molecules per mol.