Show:
That thing the makes up everything
The birth of the atom
Those 3 amigos
Deciding the Mass
Some math with waves
100
The simplest form of matter that still keeps an element's integrity.
Atom
100
Who was the Greek Philosopher to believe in atoms?Democritus
Democritus
100
What subatomic particle has a positive charge?
Proton
100
How many protons does Sulfur have?
16
100
What is the spectrum we as humans can see?
Visible Light
200
What is in the middle of the atom?
Nucleus
200
Who did the Gold Foil Experiment?
Ernest Rutherford
200
Which subatomic particle has the least mass?
Electron
200
What is the atomic mass of Mercury?
200.59
200
What is the formula to find wavelength?
lambda = c / v
300
What give the charge to the nucleus?
Protons
300
Who's model of the atom do we use today?
Erwin Shrodinger
300
Which two particles have the same mass?
Protons and Neutrons
300
How many electrons does Barium have?
56
300
What is the speed of light?
2.998 x 10^8 m/s
400
What surrounds the nucleus?
The electron cloud
400
Who had the "Plum Pudding" model of the atom?
J.J. Thomson
400
Which experiment proved that electrons exist?
Cathode Ray Tube
400
What is the mass number of Iron?
56
400
What is the "lambda" if: Nu = 2.0 x 10^13 Hz
1.499 x 10^-5 m
500
Where do specific electrons live?
Energy Levels
500
Who also used the Cathode Ray Tube experiment, but found Protons?
Eugen Goldstein
500
Who found the neutron?
James Chadwick
500
How many neutrons does Rutherfordium have?
157
500
What is "nu" if: lambda = 7.25 x 10^8 m
0.4135 1/s or Hz or s^-1