Flashcards
Polymers, alkanes and alkenes
Flashcards do conjunto (12)
- 1Hydrocarbons contain...Hydrogen and carbon
- 2When a hydrocarbon chain has only single covalent bonds it is called an __________.AlkAne
- 3When a hydrocarbon chain has a double bond it's called an ________.AlkEne
- 4Double bonds have two shared pairs of ________.Electrons
- 5AlkEnes are described as being...Unsaturated
- 6To test for alkEnes you can use...Bromine water
- 7What are more than one monomer called?Polymers
- 8When alkenes join together making a polymer, the reaction is called _______________.Polymerisation
- 9The process of polymerisation needs 1) 2)High pressure
Catalyst - 10Atoms in a plastic are held together by ___________ bonds.Covalent
- 11Plastics that have WEAK intermolecular forces have... 1) 2)Low melting points
Can be stretched easily because the polymer molecules can slide over each other - 12Plastics that have STRONG intermolecular forces have... 1) 2)High melting point
Are rigid and can't be stretched
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- Flash cards for chemistry key stage 4 Alkanes Alkenes Polymers
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- amira-2000
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