Metals and Non metals
Metals are elements which can form positive ions when they react.
None metals don’t generally form positive ions when they react
Atoms generally react to form a full outer shell.
Metals:
Strong , hard to break
Malleable, bent or hammered
Good conductors
High boiling and melting points
Non metals
Dull looking
Brittle
Insulators
Lower density
Transition metals
Dense
Strong
Shiny
Can have more than 1 ion
Good catalysts
Often coloured