redox: definitions Flashcards
1
Q
oxidation
A
the process of losing electrons
2
Q
reduction
A
the process of gaining electrons
3
Q
redox reaction
A
a reaction where reduction and oxidation occur
4
Q
oxidation number
A
tells us how many electrons are used when an element is bonded to other atoms in a compound
‘if this was ionic, what would the charges be’
5
Q
oxidising agent
A
a substance that gains electrons and is reduced (oxidises another species)
6
Q
reducing agent
A
a substance that loses electrons and is oxidised (reduces another species)
7
Q
oxyanion
A
negative compound ions containing oxygen