Voltaic Cell

Which direction do the electrons flow in wire X and which metal is oxidized?

• A
• B
• C
• D

Tags

NGSS.HS-PS2-5

Reduction happens at the 

• anode
• cathode
• salt bridge
• voltmeter

Metal A is more reactive than metal B. Which statement is correct?

• Electrons flow in the external circuit from A to B
• Positive ions flow through salt bridge from A to B
• Positive ions flow in external circuit from B to A.
• Electrons flow through salt bridge from B to A

Tags

NGSS.HS-PS1-2

Reactions in voltaic cells are

• spontaneous, redox reactions
• non-spontaneous, redox reactions
• spontaneous, non-redox reactions
• non-spontaneous, non-redox reactions

This electrode in a voltaic cell gains mass

• anode
• cathode

Oxidation happens at the

• anode
• cathode
• salt bridge
• voltmeter

The process in which an atom or ion experiences an increase in oxidation state

• Oxidation

• Reduction

This electrode loses mass 

• anode
• cathode

In a voltaic cell, the half cell that receives anions from the salt bridge is

• cathode
• anode

Voltaic cells are the same as which cells?1

• GALVANIC
• ELECTROLYTES
• ELECTRON