Question

What does oxidation mean? what does reduction mean? which of them is endergonic and which is exergonic?

Answer 1

1. Oxidation is when a molecule, atom or ion losses an Electron. 2. Reduction is when a molecule, atom or ion gains an electron. 3. endergonic means absorbing energy in the form of work whereas Exergonic means releasing energy in the form of work.

Step-by-step explanation:

Answer 2

Oxidation is when a substance gain oxygen,increase of oxidation number,lose electrons & hydrogen
Reduction is the opposite of oxidation