28373171
Description
Mind Map by Marina Della, updated more than 1 year ago
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Group 1 -
Alkali metals
- Low density
- Float in water
- Float in water
- React with other
non-metals
- Has 1 electron in outershell
- Has 1 electron in outershell
- React with water
- Release hydrogen
- e.g. Lithium + water -> Hydrogen + lithium Oxide
- Release hydrogen
- Further down the group you go
- The more reactive the element
- Bigger atom = electron is further from nucleus
- Bigger atom = electron is further from nucleus
- The lower the melting/boiling point
- The more reactive the element
- All soft
- You can cut them with a knife
- You can cut them with a knife
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