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GROUP 1 - Coggle Diagram
GROUP 1
Alkali metals
Names and formulae
Li
Lithium
Na
Sodium
K
Potassium
Rb
Rubidium
Cs
Caesium
Fr
Francium
Reactivity
Get more reactive going down the group
React with oxygen to form metal oxides
Potassium +oxygen > potassium oxide
Reacts with water to form metal hydroxides
Potassium + water . potassium hydroxide + hydrogen
tarnish quickly
Highly reactive
Properties
Soft metals
Cut with a knife
Low density
Low melting and boiling points
1 electron in outer shell