Chemistry

Created by: annabelzj
Created on: 22-05-14 19:17

Metals reacting with water

Potassium, sodium, lithium and calcium all react with water. They all release hydrogen gas. Potassium floats and catches fire. Sodium floats and can be lit with a splint. Calcium's reaction is less vigorous, and lithium floats and fizzes.

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Rusting

Iron and Steel rust when in contact with water and oxygen. Rust faster in salty water/ acid rain.

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Metals reacting with oxygen

They form a metal oxide. When cut, they lose their luster very quickly and go from shiny to dull.

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Element

Made from its own type of atom. you cant split it into anything simpler. Own symbol and properties.

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Compound

Mixture of 2 or more elements. Properties are very different from the elements they're made from.

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Properties and Uses

Potassium is vital to life. keeps your heart, kidneys and nerves working. There are 111 elements.

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Other cards in this set

Card 2

Front

Rusting

Back

Iron and Steel rust when in contact with water and oxygen. Rust faster in salty water/ acid rain.

Card 3

Front

Metals reacting with oxygen

Back

Card 4

Front

Element

Back

Card 5

Front

Compound

Back

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Chemistry