Electrons in Atoms Where are they?. Energy Levels Orbits around the nucleus can also be called shells or energy levels.
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!
Atomic Models Plum Pudding Model (1900s) Lord Kelvin/JJ Thomson—no nucleus! Rutherford’s Model (early 1910s) Rutherford—atom has a nucleus! Rutherford.
The Elements
Chemistry
Atomic Structure
Electrons in Atoms
