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  • Created by: Blessness
  • Created on: 29-05-14 15:27
Those protons have a negative charge or a positive charge
A positive charge
1 of 10
Those neutrons have a negative charge or a positive charge
They have no charge. They are neutral
2 of 10
What does the nuclues contain
Protons and neutrons
3 of 10
The number of protons are equal to the number of neutrons. True or false
True
4 of 10
How many atoms consist of an element
Only one
5 of 10
How is a compound made
By joining atoms together
6 of 10
What is cracking
cracking means splitting up long chains of hydrocarbons
7 of 10
How do you crack hydrocarbons
1. heat up the hydrocarbon to vaporize it (to turn it into a gas). 2. The vapor is then passed over a powered catalyst at a temperature of about 400 - 700 degree. 3. Aluminium oxide is the catalyst used
8 of 10
what is the last stage of cracking a hydrocardbon
The long chain molecules is cracked on the surface of the speaks of catalyst
9 of 10
what are alkenes
Alkenes are hydrocarbons which have a double bond
10 of 10

Other cards in this set

Card 2

Front

Those neutrons have a negative charge or a positive charge

Back

They have no charge. They are neutral

Card 3

Front

What does the nuclues contain

Back

Preview of the front of card 3

Card 4

Front

The number of protons are equal to the number of neutrons. True or false

Back

Preview of the front of card 4

Card 5

Front

How many atoms consist of an element

Back

Preview of the front of card 5
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