The Periodic table C3
- Created by: Sarah Lewendon
- Created on: 13-05-15 13:31
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- The Periodic table
- The modern periodic table
- the discovey of subatomic particles gave the evidence to make the table.
- the elements in the table are aaranged in electronic structure.
- Similiar properties occur at regular intervals.
- Alkali metals
- They have...
- Low melting and boiling points
- Low density
- More reactive as go down the group
- They have...
- The Halogens
- The five elements in group 7.
- Melting points that increase as down the group
- Have coloured vapours
- Less reactive as you go down
- They make ionic salts when react with metal
- The modern periodic table
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