Redox Flashcards
1
Q
What is an oxidation number?
A
The number of electrons an atom uses to bond with any other atom
2
Q
What is the oxidation number of an uncombined element e.g C, H, 02
A
0
3
Q
What is the oxidation number of oxygen in peroxides
A
-1
4
Q
What is the oxidation number of hydrogen in metal hydrides such as LiH
A
-1
5
Q
What are oxyanions
A
Negative ions that have an element along with oxygen
6
Q
What does the term oxidation mean
A
- Loss of electrons
- An increase in oxiditaion number
7
Q
Define Reduction
A
- Gain of electrons
- An decrease in oxiditaion number
