Mind map
C4 revision
Map content
C4 revision
PERIODIC TABLE
- Developed by Greek philosophers, John Dalton (1803), JJ Thomson (1897, Plum pudding theory), and Rutherford (1911)
- JJ Thomson (plum pudding) discovered positive & negative particles inside atom. Said they were evenly spread out.
- Rutherford found atoms were mostly empty space and had a positive centre.
ATOMS
- comprise of protons (p+) neutrons (n) and electrons (e-)
- Element is determined by atomic number. Mass of atom is shown by mass number.
- Atomic no = no p+
Information
- Description
- Mind Map on C4 revision, created by nishatipson on 03/03/2015.
- Created by
- nishatipson
- Views
- 1
- Rating