Atoms

History of the Atom: Theories and Models

  • The lighter the color, the less likely the electron is there. Likewise, the brighter the color, the more likely the electron is there

  • Neutron is heaviest subatomic particle among the given subatomic particles with mass of 1.008 amu while proton have mass of 1 amu.

  • The atomic number is the identity of your element = number of protons and neutrons

  • Neutral: no charge - If you see a positive sign on the top right side, it is the sign of a charge

    • Al³+