Atoms

Atoms

1. Who coined the word?

   • Democritus

2. Can atoms be divided?

   • Yes!
     • Ex. Atomic Bombs

3. What are atoms composed of?

   • Elements
     • Different elements have different masses
       • Law of Multiple Proportions
         • atoms combine to make molecules in simple who-number ratios
         • Isotopes
           • Atoms with the same number of protons but a different number of nuetrons