Atoms

The Nucleus:

• Its in the middle of the atom
• It contains protons and neutrons
• It has a positive charge because of the protons
• Almost the whole mass of the atom is concentrated in the nucleus
• But size wise its tiny compared to the rest of the atom.

The electrons:

• They move around the nucleus in energy levels called shells
• They are negitavely charged
• They're tiny, but they cover a lot of space
• The size of their orbits determines how big the atom is
• They…