ChemistryChemistry. Early Chemistry Dirt Early Chemists only believed in 1 element: Dirt 4 elements Later Chemists believed in 4 elements: Air Earth.
Remember to make corrections with a RED pen! Work quietly with your group!
The Elements
Chemistry
Atomic Structure
Electrons in Atoms
Electrons in Atoms Where are they?. Energy Levels Orbits around the nucleus can also be called shells or energy levels.
Atomic Models Plum Pudding Model (1900s) Lord Kelvin/JJ Thomson—no nucleus! Rutherford’s Model (early 1910s) Rutherford—atom has a nucleus! Rutherford.
