Topic 9- Electrolysis Flashcards
(9 cards)
1
Q
What is electrolysis?
A
Using electricity to break down electrolytes to form elements
2
Q
What is an electrolyte?
A
An ionic compound that can conduct electricity when molten or in solution
3
Q
What is an electrode?
A
A rod of metal or graphite through which an electric current flows into or out of an electrolyte
4
Q
What is an anode?
A
A positive electrode that attracts negative ions
5
Q
What is a cathode?
A
Negative electrode that attracts positive ions
6
Q
What is an anion?
A
A negatively charged ion
7
Q
What is a cation?
A
A positively charged ion
8
Q
What is oxidation?
A
When a substance loses electrons
9
Q
What is reduction?
A
When a substance gains electrons
