C5 Electrolysis whole topic

What is electrolysis?

• breaking down of a compound using a current
• making a compound using a current

Tags

NGSS.HS-PS3-5

Which statement correctly describes the 2 electrodes?

• The anode is negative and the cathode is positive
• The anode and cathode are both positive
• The anode is positive and the cathode is negative
• The anode and cathode are both negative.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the name given to the solution that is being electrolysed?

• Salt solution
• Electric solution
• Mineral solution
• Electrolyte

Tags

NGSS.HS-PS1-5

Explain why the electrolyte has to be a liquid.

• So the ions can move

• So the electrons can move

• So that it doesn't get too hot

• So that negative ions can move

What happens at the positive electrode?

• Positive non-metal ions gain electrons

• Positive metal ions lose elctrons

• Negative non-metal ions lose electrons

• Negative metal ions gain electrons

Positive ions will move towards the negative electrode where they will discharge by....

• Breaking apart

• Losing electrons

• Clumping together.

• Gaining electrons

What is the name of the positive electrode?

• cathode
• anode

Tags

NGSS.HS-PS2-5

What is the name of the negative electrode?

• cathode
• anode

The negatively charged ions migrate toward the ________.

• anode
• cathode

Tags

NGSS.HS-PS3-5

The positively charged ions migrate toward the ________.

• anode
• cathode

Tags

NGSS.HS-PS3-5