test 10/24 Flashcards
Who is john dalton and what did he do
He found the atom, made the concept that each element is made up of tiny particles
What model did john dalton create
Billiard ball model
Who is jj thompson and what did he discover
Scientist who discovered the electron, and used the cathode ray tube
What model did jj thompton create
Plum pudding model
Who in ernest rutherford and what did he discover
Scientist who discovered the nucleus, ran the gold foil experiment
What model did rutherford create
Nuclear model
Who is niels bohr and what did he discover
A physicist who proposed the concepts of energy levels, he built a model in which electrons must be a specific energy level
What model did Bohr create
Planetary model
What is the quantum model
Emission spectrum, works for multi-electron atoms, Borhs model only worked for hydrogen. Describe an electrons probable location based off energy; orbital
Describe the Gold Foil Experiment
Shot positive alpha particles at a gold foil, thought everything would go through, but a few went in different directions due to a small positively charged nucleus
Who discovered the charge of the electron
Milikan
Oil drop experiment
Milikan. X rays charged the air, and when oil was dropped in it some floated in the air, showing the charge on an electron
Order of particle discovery
D(alton)T(hompson)R(utherford)B(ohr)Q(uantum
DTRBQ
Element sheet
Atomic #
Average atomic mass
Written out
Mass
Atomic #
