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ALKALI METALS - Coggle Diagram
ALKALI METALS
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Physical Properties
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melting & boiling point
- low, compared to most metals
- melting point decreases down group 1
density
- low, lighter than most metals (floats on water)
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- soft metals (able to cut with a knife)
- softer when decreasing down group 1
lithium, Li
reaction with water
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- gives hydrogen or hydroxide
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sodium, Na
reaction with water
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- gives hydrogen and hydroxide
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potassium, K
reaction with water
- catches fire, melts with heat of reaction
- gives hydrogen & hydroxide
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