Oxidation & Reduction Theory

Question 1

What is oxidation?

Answer 1

Oxidation of an element is the loss of electron(s)
Or
Oxidation is the increase in oxidation number

Question 2

What is reduction?

Answer 2

Reduction of an element is the gain of electron(s)
Or
Reduction is the decrease in oxidation number

Question 3

What is an oxidising agent?

Answer 3

Is a substance that takes electrons from another substance

Question 4

What is a reducing agent?

Answer 4

Is a substance that gives electrons to another substance

Question 5

What is oxidation number?

Answer 5

Is the charge that an atom has or appears to have when electrons are distributed according to certain rules