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C1P2/xtra//What are the properties that make polythene useful?
Strong,flexible and durable
1 of 5
C1P2/xtra//Describe the structure of polythene
It is strong because the atoms in a molecule are joined together tightly, so it is difficult to break up a molecule.-It is flexible because its molecule can slide over each other
2 of 5
C1P2/xtra//What are the two types of polythenes?
Low density polythene and High density Polythene
3 of 5
C2P1/1.What is covalent bonding?
Sharing electrons
4 of 5
C2P1/2.What is ionic bonding?
Giving and taking electrons
5 of 5

Other cards in this set

Card 2

Front

C1P2/xtra//Describe the structure of polythene

Back

It is strong because the atoms in a molecule are joined together tightly, so it is difficult to break up a molecule.-It is flexible because its molecule can slide over each other

Card 3

Front

C1P2/xtra//What are the two types of polythenes?

Back

Preview of the front of card 3

Card 4

Front

C2P1/1.What is covalent bonding?

Back

Preview of the front of card 4

Card 5

Front

C2P1/2.What is ionic bonding?

Back

Preview of the front of card 5

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