U1S6 redox Flashcards
1
Q
What is oxidation
A
Loss of electrons
2
Q
What is reduction
A
Gain of electrons
3
Q
What is an oxidising agent
A
Accepts electrons
4
Q
What is a reducing agent
A
Donates electrons
5
Q
What does the oxidation state tell you
A
The number of electrons donated or accepted
6
Q
Oxidation state of uncombined elements
A
0
7
Q
Oxidation state of elements bonded to identical elements
A
0
8
Q
Oxidation state of monatomic ions
A
Same as charge
9
Q
Oxidation state of atoms in compound ions
A
Sum of oxidation state of each atom adds up to charge
10
Q
In a compound ion, which atom has a negative oxidation state
A
More electronegative
11
Q
Oxidation state of atoms in a neutral compound
A
Equals 0
12
Q
When is oxygen not -2
A
Peroxides where its -1
13
Q
Where is hydrogen not +1
A
Metal hydrides where its -1
