Electrolysis

Electrolysis
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Slide 1: Diapositive
ScienceUpper Secondary (Key Stage 4)GCSE

Cette leçon contient 53 diapositives, avec quiz interactifs, diapositives de texte et 2 vidéos.

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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