Kategorier: Alle - elements - changes - compounds - matter

av Sara Melendez 4 år siden

276

Matter and Change

Matter can be classified into elements and compounds, with elements being the simplest form of matter with unique properties, such as oxygen and hydrogen. Compounds are substances that consist of two or more elements chemically combined.

Matter and Change

Matter and Change

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Mixtures and substances

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If the composition of the material is fixed the material is a substance. If the composition of a material may vary. The material is a mixture

States of matter

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Solid
Liquid

Gas

Elements and compounds

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Compounds
A substance that contains two or more elements chemically combined
Elements

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example: oxygen hydrogen
Simplest form of matter that has an unique set of properties

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Chemical and Physical changes

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Chemical Changes
There is a change in the composition
Physical Changes
there is not a change in the composition

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Describing Matter

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Intensive

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available

unavailable

Hardness = Type of matter

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available

not available

Extensive

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available

unavailable

Volume: Measure of amount of space
Mass: Measure of amount of matter

Mixtures

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What are mixtures?

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Physical blend between two or more components

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