Redox Flashcards
1
Q
what is oxidation
A
loss of electrons
2
Q
what is reduction
A
gain of electrons
3
Q
what is a reducing agent
A
reagent that is oxidised and reduces another species
4
Q
what is an oxidising agent
A
reagent that is reduced
oxidises another species
5
Q
what does oxidation state show
A
how many electrons an element has donated or accepted
6
Q
what is the oxidation state of all uncombined elements
A
zero
7
Q
what ionic half equations be used for
A
they can be used to show oxidation or reduction