Ions,ionic compounds and chemical reactions

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6 Terms

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Molecule

Two or more (non-metal) atoms chemically combined.
You can get molecular compounds e.g. H2O and CO2.
You can also get molecular elements e.g. H2, O2, N2, S8

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Diatomic molecule

Molecule made up of two atoms of the same non-metal element. H2

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Chemical reaction

A process in which atoms in a substance, called reactants, are rearranged to form new substances called products

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Reactants

The starting substance(s) that undergoes change in a chemical reaction.

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Products

A substance that forms during a reaction.
It will be present after the reaction has taken place

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Chemical equation

An equation that describes a chemical reaction using the chemical formulae of the compounds involved in the reaction.