Scientists
Experiments
Model of the Atom
Atomic theory
100

This man created postulates about the atom

Who is John Dalton

100
This experiment concluded that the atom was mainly empty space around a small positively charged nucleus.

What is the gold foil experiment?

100

This model is described as being an indivisible sphere

What is Daltons Model described as?

100

These are indivisible and indestructible

What are atoms?
200

Used a cathode ray tube to determine the charge of an atom

Who is JJ Thomson

200

This experiment showed that the atom is a positive sphere embedded with negative charges

What is the Cathode ray tube?

200

This model is described as being a positive sphere imbedded with negative charges

What is the Plum Pudding Model

200
Atoms of different elements combine in simple whole numbers to form _____

What are compounds?

300
Proposed that energy levels hold electrons

Who is Neils Bohr?

300

This scientist used this experiment to show how different colors of visible light have different wavelengths and frequencies

Who is Max Planck
300

This model is described as being mainly empty space around a small positively charged nucleus.

What is Rutherfords atom model?

400

who used the gold foil experiment

who is Ernest Rutherford

400

This model has electrons positioned in orbitals with specific energies.

What is Bohr's model?

500

Who used Plancks idea that negatively charged particles(electrons) were positioned in orbitals with specific energies

Who is Neils Bohr?