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- 1. Multiple Choice
What is an oxidation number?
The number of protons that an element has.
Charge of Atom or electrons gained/lost.
A reaction between oxidation of an atom.
The number of element ions.
- 2. Multiple Choice
A redox is not a _____.
Single Replacement Reaction
Double Replacement Reaction
Transfer of electrons from one element to another.
An element that goes from a zero charge to a charged particle in a reaction.
- 3. Multiple Choice
Which side does the electrons go on in a half reaction?
Least Positive Side
Left Side
Right Side
More Positive Side
- 4. Multiple Choice
Reduction is the loss of electrons.
True
False
- 5. Multiple Choice
What is the charge of a single element in a half reaction?
+3
0
+2
+1
- 6. Multiple Choice
What is a spontaneous reaction?
Reaction that occurs without adding energy.
Reaction that occurs only with adding energy.
Reaction that transfers electrons from left to right.
Reaction that transfers electrons from right to left.
- 7. Multiple Choice
Table J tells ______.
Which compound is molecular.
Whether a charge of an atom is positive or negative.
Whether a compound is Metallic or Ionic.
How reactive an element is and if it's spontaneous.
- 8. Multiple Choice
Click which two apply for a Voltaic Cell.
Spontaneous Reactions
Energy produces chemical reaction
Non-spontaneous Reactions
Chemical reaction produces energy.
- 9. Multiple Choice
An anode is...
An electrode where reduction occurs.
An element with a higher charge.
Where reduction and oxidation.
An electrode where oxidation occurs.
- 10. Multiple Choice
Do cathodes gain mass?
Yes
No
- 11. Multiple Choice
Electrolysis of water is _____.
Using water and an element to create a light source
Using electricity to break apart a compound.
An aqueous chemical used to break down molecular compounf
- 12. Multiple Choice
What is electroplating?
Using electricity to plate a substance with a metal.
Using Table J to figure out which element is more oxidized.
An aqueus compound being bonded.
Put a key in liquid metal to turn it different colors.
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