Chemistry 101
This classifies an element on the periodic table
What is Atomic #
Area around an atom where you will likely find an electron?
What is orbital
Elements located in Group O.
What are Noble Gases
Component that dissolves in a solvent.
What is a solute
Created periodic table of elements.
Who is Mendeleev
A positively charge ion is referred to as a ...?
What is a Cation
When heat and electricity can pass through a substance it is ...?
What is conductivity
Standard Temperature and Pressure
What is STP
Substance that dissolves a solute.
What is a solvent
Ratio between amounts of moles in any two compounds.
What is a mole ratio
one of the stable states of constant energy
What is a energy level
Tendency of an atom to attract electrons
What is electronegativity
transition from solid phase to a gas phase
What is sublimation
Energy needed to start chemical reaction is referred to as ...?
What is activation energy.
Amount of heat energy needed to raise temperature by unit of mass.
What is specific heat
Radiation emitted when an atom goes from a state of high energy to low energy
What is emission spectrum
Arrangement of atoms in a crystal is ...?
What is crystal Lattice
CH4+2O2------>CO2 +2H2O
What is combustion reaction.
When an acid and base react quantitively is ...?
What is neutralization reaction
these properties of a gas have a direct relationship
relationship between gas temperature and pressure
every orbital has 1 electron before being doubled up with electrons refers to ...?
What is Hund's Rule
Used to predict the geometry of molecules based on minimizing the electrostatic repulsion of a molecules valence electrons around a central atom.
Hint: Its a theory
What is VSEPR theory
Energy an object possesses based on motion. When this energy increases so does another factor.
-Two part answer
What is kinetic energy relationship w/ temperature
H3O^+
What is a hydronium ion
When a chemical reaction is reversible it is a ...?
What is chemical reaction equilibrium