G11 Chapter 4 Electrolysis

Front

Electrolysis

Back

• decomposition of compound in solution or in molten state by using electric current

Front

Conductor

Back

• substance which conducts electricity

e.g., metals and graphite

Front

Insulator/Non-conductor

Back

• solid substance which does not conduct electricity

Front

Electrolyte

Back

• substance in molten state or as solution which conducts electricity

Front

Non-electrolyte

Back

• substance in solution which does not conduct electricity

Front

Cathode (-)

Back

• negative electrode

• donate electrons

Front

Anode (+)

Back

• positive electrode

• accepts electrons

Front

Cation (+)

Back

• moves to cathode and reduces

Front

Anion (-)

Back

• moves to anode and oxidises

Front

Metals can conduct electricity due to

Back

• the free valence electrons