Solutions & Gases
Electron Rules & Principles
It's Matter
Quantity in Chemistry
What's inside an Atom?
100

When the pressure of a gas is constant, the volume that the gas occupies is ____________ proportional to its temperature.

What is directly?

100

Empty Bus Seat Rule; electrons occupy equal-energy orbitals so that a maximum number of unpaired electrons results.

What is Hund's Rule?

100

These are the two types of pure substances.

What are elements and compounds?

100

The type of element that exists in nature as two atoms covalently bonded together.

What is diatomic?

100

Atoms with the same number of protons but different numbers of neutrons.

What are isotopes?

200

The solubility of oxygen ____________ as water temperatures increases.

What is decreases?

200

This says: You cannot know the location and momentum of an electron at the same time.

What is Heisenberg's Uncertainty Principle?

200

Mixtures can be classified as one of these three types based on particle size and settling vs dissolving.

What are solution, suspension and colloid?

200

The name given to the number of particles that are in one mole.

What is Avogadro's number?

200

The number of neutrons contained in the bromine-82 isotope.

What is 47?

300

Standard Temperature in Kelvin and pressure in atmospheres.

What is 273 K and 1 atmosphere?

300

Lazy Tennant Rule; electrons fill lowest energy orbitals first.

What is the Aufbau Principle?

300

Change in which the composition and properties of a substance change, thus altering the identity of the substance and producing a new substance.

What is chemical?

300

This quantity only applies to gases at STP.

What is molar volume (or 22.4L/mol)?

300

The number of electrons in a zinc ion.

What is 28?

400

PV = nRT represents this law.

What is the Ideal Gas Law?

400

This says: Only a max of 2 electrons in each orbital and they must have opposite spins.

What is the Pauli Exclusion Principle?

400

The _______________ of a material is a measure of the average kinetic energy of the particles that make up the material.

What is temperature?

400

This formula is the simplest formula for a compound.

What is empirical?

400

The number of energy levels in a ground state calcium atom.

What is 4?

500

The two actions that can speed up the rate at which a solid solute dissolves in a solvent at any temperature.

What is stirring (or agitating) and breaking the solute into smaller pieces?

500

This says: A quantum of energy is absorbed by an electron, then the electron enters an excited state, then the electron returns to ground state and finally a photon of light energy is released that is exactly equal in energy to the quantum absorbed.

What is Planck’s Quantum Theory?

500

It is this property of Plasma that differentiates it from a gas allows its motion be influenced by electric and magnetic fields.

What is electrically conductive?

500

What is the molecular formula for the compound with:

31.4% Sulfur, 31.4% Oxygen, and 37.2% Fluorin,e and a molar mass of 102g/mol.

What is SO2F2?

500

The correct longhand isotopic notation for the atom with 

82 protons, 82 electrons and 123 neutrons.

What is lead-205?