Please enable JavaScript.

Coggle requires JavaScript to display documents.

Unit 2: The Atom, Elements, Decay - Coggle Diagram

- - - - Atom is a hard sphere that is indivisible.
    - - Negative electrons in a sea of a positive “pudding”
    - - There is a positively charged particle, termed a proton, in the center of the atom, which he called the nucleus. The electrons are spread around, and the atom is mostly empty space.
    - - Electrons orbit the nucleus in circles and can jump from energy level to energy level
- - - - mass number stays the same
      - number decreases by 1
      - neither changes
      - mass number decreases by 4
      - basically energy
      - number of protons decreases by 2