# Poly(ethene) is a polymer made from ethene monomers. Describe how poly(ethene) is formed from ethene monomers and state one use of poly(ethene).

> Cambridge International IGCSE Chemistry (0620) — 11.8 Polymers · Describe · 4 marks

> Ethene, CH₂=CH₂, is a small molecule that can be joined together in a chemical reaction to form a polymer called poly(ethene).

## Mark scheme (4 marks)

1. Many/thousands of ethene monomers join together
2. The double bond in ethene opens/breaks to allow bonding
3. The process is called addition polymerisation
4. A correct use of poly(ethene) stated

## Key terms

- [monomer](https://www.gradenine.co.uk/glossary/monomer)
- [polymer](https://www.gradenine.co.uk/glossary/polymer)

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Source: [GradeNine](https://www.gradenine.co.uk/q/poly-ethene-is-a-polymer-made-from-719de05a) · Published by Druglandscape Ltd.