Periodic
Acids and Bases
Wild Card
Nuclear
Radiation
100
6.941
What is the atomic mass of Lithium?
100
A high number of H+ ions in solution.
What is an acid?
100
Soap is an example of this.
What is a base?
100
Collisions from this begins a nuclear reaction.
What is a neutron?
100
Can stop a gamma ray.
What is concrete/lead?
200
A unit used to measure a large number of atoms.
What is a mole?
200
A solution that increases the pH when added to another solution.
What is a base?
200
Results in a rearrangement of electrons.
What is a chemical reaction?
200
Two new elements, three neutrons, and a lot of energy is the result of this.
What is a fission reaction?
200
A particle released when a neutron changes to a proton.
What is a beta particle?
300
The atomic mass of sodium.
What is 22.989?
300
A solution with a pH of 12 has more of this than a solution with a pH of 6.
What is OH- (hydroxide) ions?
300
A helium nuclei (2 protons and 4 atomic mass units).
What is an alpha particle?
300
An element with a different number of neutrons.
What is an isotope?
300
Blocked by paper.
What is an alpha particle?
400
13
What is the number of protons in Aluminum?
400
Baby oysters have thin shells made of Calcium Carbonate which reacts with this ion in ocean water.
What is H+ (hydrogen) ions.
400
Things with a sour taste are an example of this.
What is an acid?
400
The reason so much energy is produced during a nuclear reaction.
What is a chain reaction?
400
Causes damage to living tissues.
What is a gamma ray.
500
37.996
What is two moles of Fluorine?
500
A solution with an equal number of H+ (hydrogen ions) and OH- (hydroxide ions).
What is a nuetral solution?
500
The amount of radioactive atoms left from a substance with 4000 atoms after 5 half-lives.
What is 125?
500
The number of neutrons in U-235.
What is 143?
500
The amount of radioactive substance left after 18 days if the substance has a half-life of 9.
What is 1/2 (50%)?