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Year 7 HWK1

Atoms and elements Homework

TermDefinition
What all substances are made up of, and which contain only one type of atom. Element
What is the smallest particle of an element that can exist? Atom
What are two to thousands of atoms joined together? Molecule
What is the name of a pure substance made up of two or more elements strongly joined together? Compound
What can be used to show the elements present in a compound and their relative proportions? Chemical formulae
What is the name of a molecule made of thousands of smaller molecules in a repeating pattern? Polymer
What is the name of a material made up of two or more material? Composite
Created by: Windypicks
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