Atoms and Elements

Atoms and Elements

1. Atom

   • Smallest part of an element and a compound

2. Elements

   • Same type of atom joined together
   • Chemical symbols
     • O
       • Oxygen
     • H
       • Hydrogen
     • Cu
       • Copper
     • S
       • sulphur
     • Ca
       • Calcium
     • Pb
       • lead
     • Ag
       • Sliver
     • N
       • Nitrogen
     • C
       • Carbon
     • Mg
       • Magnesium
     • Au
       • Gold
     • Fe
       • Iron
     • K
       • Potassium
     • Na
       • Sodium

3. Properties

   • Phyical
     • Hard/soft
     • Shiney/dull
     • Opeque/Transprent
     • Rough/Smooth
   • Chemical

4. Word equation

   • Hydrogen+Oxygen - Water
     • H+O - H2O
   • Iron+sulphur - Ironsulphide
     • Fe+ S - FeS