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The Language of Chemistry

Chemical Names

In most cases the name of a chemical tells you precisely which elements are present.

When non-metal atoms are combined with metals their name changes slightly in the name of the compound.

For example, calcium combined with oxygen will give calcium oxide. Whenever you come across a compound where the name finishes with -ide you know that this is, in fact, a combined non-metal atom.

Image

Name

sodium chloride

sodium chloride

calcium oxide

calcium oxide

iron II sulphide

iron II sulphide

Some chemical names are more difficult to understand. The names of these chemicals need to be learned and remembered!

Image

Name

Notes

ammonia gas

ammonia gas

Made from nitrogen and hydrogen (Ratio 1:3)

nitric acid

nitric acid

Hydrogen combined with a nitrate radical (Ratio 1:1)

water

water

Its correct chemical name is hydrogen oxide!

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