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Chemical changes - Coggle Diagram
Chemical changes
Atoms, elements, mixtures and compounds
Atoms are the simplest particles of matter which we think of as being like a tiny ball. They cannot be broken down.
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A mixture contains different substances e.g. elements, that are not chemically joined together
Alkali group 1 metals
The group 1 metals are Lithium, Sodium, Potassium, Rubidium, Caesium and Francium
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Halogens - Group 7
The group 7 metals are Fluorine, Chlorine, Bromine, Iodine, Astatine and Tennessine
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The pattern of reactivity changes because as you go down group 7, the metals get less and less reactive
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