History of Atomic Model
Isotopes &
Atomic Mass
Atomic Mass
Nuclear Chemistry
Electrons &
The Electron Cloud
The Electron Cloud
100
This subatomic particle has a negative charge
Electron
100
________are atoms of an element with different numbers of neutrons.
isotope
100
Draw the complete nuclear symbol for an alpha particle
100
What does "c" symbolize? What number is associated with it?
Speed of Light
3.00 x 108 m/s
200
Who created the first model of the atom?
John Dalton
200
The average mass of all forms of the atoms of an element based on the abundance of that element is called .
average atomic mass
200
nuclear reaction that breaks a parent nucleus into smaller nuclei
fission
200
What does the letter symbolize in electron configuration?
What are the letters that we use?
sublevel
s,p,d,f
300
Which subatomic particle affects the mass number, charge, and identity of the atom.
Protons
300
Protons plus neutrons equals
mass number
300
What type of nuclear reaction is shown below?
Fusion
300
Write the electron configuration for Carbon
1s22s22p2
400
Label all the models by who created them in the order of the picture. 
Dalton, Thomson, Rutherford, Bohr, Heisenberg.
400
Oxygen has three isotopes: oxygen-16, oxygen-17, and oxygen-18. The atomic mass reported on the periodic table is 16.00.
Which isotope of oxygen is the most abundant?
Oxygen-16
400
radiation released in a nuclear reaction that results in the release of energy yet leaves both the mass and the identity of the parent nucleus unchanged
gamma ray
400
What is the Noble gas configuration for Iodine
[Kr]5s24d105p5
500
4, 2, 3, 5, 6, 7, 1
500
Thallium has two stable isotopes: Tl-203 and Tl-205.
Their relative abundances are 29.5% and 70.5%, respectively.
What is the average atomic mass of thallium?
204.41 amu
500
Balance the following equation and determine if this is a fission or fusion reaction.
0-1 e
Fission
500
One of the photons of light from the aluminum emission spectrum has a wavelength of 4.66 x 10−7 m.
Where on the electromagnetic spectrum does this fall? What is its frequency? What is its energy?
Blue
6.43 x 1014 Hz
4.26 x 10-19 J