oxidation Flashcards
(9 cards)
1
Q
oxidation
A
gaining electrons
2
Q
oxidation agent
A
electron acceptor
3
Q
reduction
A
loss of electron
4
Q
reducing agent
A
electron donor
5
Q
oxidation numbers
A
H—– +1 UNLESS METAL HYDRIDES (-1)
Group 7 —— -1
group 1 ——- +1
group 2 ——– +2
group 3 ——– +3
oxygen ——- -2
6
Q
cr2o7+2
A
oxygen -14
the charge is +2
-14+2 = -12
12/6
6
7
Q
Redox reactions
A
balance element
balance oxygen
balance hydrogens
balance charge with electrons
8
Q
combining half equations
A
electrons are on opposite sides
make sure electrons are equal so you can cancel them
9
Q
c
A
