The proportional relationships between two or more substances during a chemical reaction.
What is stoichiometry?
100
Cd
What is Cadmium?
100
Named the atom.
Who is Democritus?
100
Symbols for electron, proton, and neutron.
What are e-, p+, n0?
200
V1/T1=V2/T2
What is Charles' Law?
200
the substance that controls the quantity of a product in a reaction.
What is the limiting reactant?
200
Located in row 17
What are Halogens?
200
Plum pudding model, cathode ray experiment, discovered the electron.
Who is Thompson?
200
A mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid, solid, or gas. (ex.-Milk)
What is a colloid?
300
PV=nRT
What is the Ideal Gas Law?
300
The mass in grams of 1 mol of a substance.
What is molar mass?
300
Atomic number 19
What is Potassium?
300
Gold foil experiment, "an atom is mostly empty space"
Who is Rutherford?
300
Movement from higher density to lower density.
What is diffusion?
400
How many moles of gas are contained in 22.41L at 101.325kPa and 0C?
1 mole.
400
How many grams of aluminum oxide can be formed by the reaction of 38.8grams of aluminum with oxygen?
83.2 grams.
400
Noble Gases
What are He, Ne, Ar, Kr, Xe, Rn?
400
Introduced planetary model.
Who is Bohr?
400
Substance that participates in a chemical reaction.
What is a reactant?
500
Avagadro's Number
What is 6.02x10^23
500
How many moles of oxygen are needed to react with 1.44 moles of aluminum?
5.05 moles.
500
[Ne] 3s2 3p4
What is Sulfur?
500
Oil drop experiment, discovered the charge of an electron.
Who is Millikan?
500
An electron that is found in the outermost shell of an atom and that determines the atom's chemical properties.