Atomic Theory Timline Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 12 clues. Answers range from 8 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
Around 400BC, this Greek proposed the idea that all matter can be cut down until you find a single indivisible particle, he called it the atom
Fire-hot, combustible, fueled by oxygen, Water-liquid, H2O, Earth-dry, solid, Air-gas, cold Structure of matter was accepted for almost 2000 years.
The Billiard Ball Model, 1807
J.J Thomson discovered this sub atomic particle of an atom.
Discovered the Proton and performed the Gold Foil Experiment
Discovered the Neutron
This model is only useful for explaining the first 20 elements
Erwin Schrödinger's model: Electron Cloud Model also known as
What was J.J Thomson theorized model of the atom called
This scientist suggested that, like light, electrons could act as both particles and waves
Developed his famous uncertainty principle, which he first described in a letter to Wolfgang Pauli in 1927.
Bohr model is also known as what?
