Valedictorians (probably)
Atom and Eve
Imagine Dragons
BOOM!
Randomness
100
According to this person the world was made of up tiny indivisible particles
Democritus
CHALLENGE
100
What are the three subatomic particles that make up the atom?
the electron,proton, and nuetron
100
What are the three kinds of radioactive decay?
Alpha, Beta, and Gamma
100
Fission reaction happen in what type of bombs.
Atomic Bombs
100
The head of a golf club might contain 123 grams of titanium. How many atoms is this?
1.55 x 1024 atoms
CHALLENGE
200
According to Dalton matter cannot be created or destroyed it only changes form. This is known as what?
The Law of the Conservation of Mass
200
What is the large positive center of the atom?
The nucleus.
CHALLENGE
200
What is the charge of a Beta particle?
-1
200
What is the difference between fission and fusion?
Fission is division of a heavy nucleus, Fusion is the combination of two lighter nuclei.
CHALLENGE
200
Which penetrates the body farther alpha, beta, or gamma rays
Gamma Rays penetrate all the way through skin, tissue, bone etc.
300
Whose model is this?
Bohr
300
What makes up the mass number
The protons and neutrons
300
What stops a gamma ray's penetrating power?
2 inches of lead
CHALLENGE
300
What are three applications of nuclear chemistry?
Medicine, Agriculture, Weapons, Powerplants, Nuclear Waste, Carbon Dating, Chernobyl
300
After 40 years, 2.25 mg of a 72.0 mg sample of an unknown isotope remain. Find the half-life of the unknown isotope. SHOW WORK.
8 years
400
Which scientist discovered the nucleus?
Bonus! What was the name of the experiment he did?
Rutherford.
Gold Foil Experiment
400
An isotope are atoms with identical atomic numbers but different mass numbers. With this in mind what is the # of neutrons in carbon-14
8 neutrons
CHALLENGE
400
0-1B
400
What is a useful part of nuclear energy?
Does not release greenhouse gases.
CHALLENGE
400
Write the isotopic symbol notation of oxygen-18.
188O
500
Draw Schrodinger's atomic model
Jimmy Neutron
CHALLENGE
500
Draw an atom with 5 protons, 6 neutrons, and 5 electrons.
Based on drawing.
500
Write the following nuclear reaction:
Uranium-238 undergoes alpha and gamma decay.
23892U--->23590Th + 42He + 00Y
500
Why isn't fusion practical to generate energy?
It takes too much energy to initiate the process.
500
Hydrogen found in nature weighs 1 amu 99.984% of the time, and 2 amu 0.016% of the time. What is its average atomic mass?
1.00016 amu H
CHALLENGE