Chemical Terminology
Families
Energy Levels
Models and Theories
Problem Solving
200
The arrangement of electrons in an atom.
What is electron configuration?
200
Fluorine, chlorine, bromine, iodine, and astatine.
What are the halogens?
200
The number of energy levels for hydrogen and helium.
What is one?
200
This model states that all particles are in constant motion and the temperature of the substance determines the speed of the molecules.
What is the Kinetic Molecular Theory?
200
The ground state electron configuration of nitrogen (N).
What is 1s2 2s2 2p3?
400
The change of a solid directly to a gas.
What is sublimation?
400
Helium, neon, argon, krypton, xenon, and radon.
What are the noble gases?
400
The number of electrons that could be found in the 3rd energy levels.
What is 18?
400
This model states that it is impossible to know the position and the velocity of a subatomic particle at the same time.
What is the Heisenberg Uncertainty Principle?
400
This is the orbital notation for oxygen.
What is: 
600
The measure of the average kinetic energy of particles in matter.
What is temperature?
600
Hydrogen, lithium, sodium, potassium, rubidium, cesium, and francium.
What are the alkali metals?
600
The outer energy level.
What is the valence shell?
600
This theory explains chemical bonding as the overlap of atomic orbitals creating a shared electron pair.
What is the Valence Bond Theory?
600
The number of protons, neutrons, and electrons for manganese (Mn).
What is 25, 55, and 25?
800
This shows that any sample of carbon dioxide always contains 12 grams of carbon to 32 g of oxygen.
What is the law of definite composition?
800
Nitrogen, phosphorous, arsenic, antimony, bismuth, and moscovium.
What is the nitrogen group?
800
The number of energy levels for sodium, magnesium, aluminum, silicon, phosphorous, sulfur, chlorine, and argon.
What is 3?
800
This was the first attempt to describe all matter in terms of atoms.
What is Dalton's Atomic Theory?
800
The number of total atoms in 3 molecules of Ca3(PO4)2.
What is 39?
1000
Any property that can be observed or measured without altering its chemical composition.
What are physical properties?
1000
Boron, silicon, germanium, arsenic, antimony, and tellurium
What are the metalloids?
1000
The number of valence electrons for family 14.
What is 4?
1000
This model explains chemical bonding by combining atomic orbitals into new molecular orbitals.
What is the Molecular Orbital Theory?
1000
The electron dot notation for the covalent compound CO2.
What is: 
?