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Electrolysis
Electrolysis
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Slide 1:
Diapositive
Science
Upper Secondary (Key Stage 4)
GCSE
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Electrolysis
Slide 1 - Diapositive
Electron
Proton
Neutron
Shell
Slide 2 - Question de remorquage
How many protons does this atom have?
A
3
B
4
Slide 3 - Quiz
How many electrons does this atom have?
A
2
B
3
Slide 4 - Quiz
How many neutrons does this atom have?
A
5
B
6
Slide 5 - Quiz
Match the charge to the subatomic particle.
Electrons are
Protons are
Neutrons are
Negative
Neutral
Positive
Slide 6 - Question de remorquage
Atoms have an equal number of protons and electrons.
A
True
B
False
Slide 7 - Quiz
Which of these particles is not an atom?
A
B
C
D
Slide 8 - Quiz
A
Attract
B
Repel
Slide 9 - Quiz
A
Attract
B
Repel
Slide 10 - Quiz
A
Attract
B
Repel
Slide 11 - Quiz
Predict the charge on the other balloon.
A
Positive
B
Negative
Slide 12 - Quiz
Predict the charge on the other balloon.
A
Positive
B
Negative
Slide 13 - Quiz
Cell
Battery
Open switch
Closed switch
Bulb
Fixed resistor
Variable resistor
Fuse
Voltmeter
Ammeter
Slide 14 - Question de remorquage
Give two reasons why the lamp does not light up.
Slide 15 - Question ouverte
Particles move quickly.
A
Solid
B
Liquid
C
Gas
D
Gas and Liquid
Slide 16 - Quiz
Particles can flow.
A
Solid
B
Liquid
C
Gas
D
Gas and Liquid
Slide 17 - Quiz
Particles only vibrate.
A
Solid
B
Liquid
C
Gas
D
Gas and Liquid
Slide 18 - Quiz
Particles are randomly arranged.
A
Solid
B
Liquid
C
Gas
D
Gas and Liquid
Slide 19 - Quiz
Particles move slowly around each other.
A
Solid
B
Liquid
C
Gas
D
Gas and Liquid
Slide 20 - Quiz
Particles have a fixed shape.
A
Solid
B
Liquid
C
Gas
D
Gas and Liquid
Slide 21 - Quiz
Explain why gases and liquids can flow, but solids cannot.
Slide 22 - Question ouverte
Solid
Liquid
Gas
Arrangement
Closeness
Movement
Can it flow?
Can it be compressed?
Use the answers to fill in the table.
Ordered
Close together
Close together
Random
Random
Fast
Yes
Yes
Yes
No
No
No
Far apart
Vibrating
Slow
Slide 23 - Question de remorquage
Slide 24 - Vidéo
Electron
Proton
Neutron
Shell
Slide 25 - Question de remorquage
Match the charge to the subatomic particle.
Electrons are
Protons are
Neutrons are
Negative
Neutral
Positive
Slide 26 - Question de remorquage
Slide 27 - Vidéo
Solid
Liquid
Gas
Arrangement
Closeness
Movement
Can it flow?
Can it be compressed?
Use the answers to fill in the table.
Ordered
Close together
Close together
Random
Random
Fast
Yes
Yes
Yes
No
No
No
Far apart
Vibrating
Slow
Slide 28 - Question de remorquage
What is the charge for an ion of:
Li
A
+1
B
+2
C
-1
D
-2
Slide 29 - Quiz
What is the charge for an ion of:
P
A
+3
B
+2
C
-3
D
-2
Slide 30 - Quiz
What is the charge for an ion of:
Cl
A
+1
B
+2
C
-1
D
-2
Slide 31 - Quiz
What is the charge for an ion of:
Ca
A
+1
B
+2
C
-1
D
-2
Slide 32 - Quiz
What is the charge for an ion of:
O
A
+1
B
+2
C
-1
D
-2
Slide 33 - Quiz
What is the charge for an ion of:
B
A
+3
B
+2
C
-3
D
-2
Slide 34 - Quiz
Label the diagram.
positive electrode
negative electrode
beaker
electrolyte
power supply
Slide 35 - Question de remorquage
Why must the compound be molten or dissolved?
Slide 36 - Question ouverte
Which electrode will this ion move to?
Li+
A
Positive
B
Negative
Slide 37 - Quiz
Which electrode will this ion move to?
Ca2+
A
Positive
B
Negative
Slide 38 - Quiz
Which electrode will this ion move to?
Cl-
A
Positive
B
Negative
Slide 39 - Quiz
Which electrode will this ion move to?
P3-
A
Positive
B
Negative
Slide 40 - Quiz
How can we work out what substances are being produced here?
Slide 41 - Diapositive
NaCl dissolved in water.
Negative electrode
Positive electrode
Where will each ion move?
Slide 42 - Question de remorquage
Negative Electrode:
Only one element will form at the negative electrode.
It will be the least reactive element.
Slide 43 - Diapositive
Which element will form?
A
Hydrogen
B
Sodium
Slide 44 - Quiz
Which element will form?
A
Hydrogen
B
Magnesium
Slide 45 - Quiz
Which element will form?
A
Hydrogen
B
Silver
Slide 46 - Quiz
Which element will form?
A
Hydrogen
B
Iron
Slide 47 - Quiz
Which element will form?
A
Hydrogen
B
Copper
Slide 48 - Quiz
Positive Electrode:
Only one element will form at the positive electrode.
Look at the ion that is not hydroxide (OH-),
Complex ions:
If it is simple, that element will form.
If it is complex, oxygen will form.
Slide 49 - Diapositive
Cl-
A
Simple ion
B
Complex ion
Slide 50 - Quiz
Br-
A
Simple ion
B
Complex ion
Slide 51 - Quiz
CO3-
A
Simple ion
B
Complex ion
Slide 52 - Quiz
I-
A
Simple ion
B
Complex ion
Slide 53 - Quiz
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