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Chem

TermDefinition
Diatomic Molecules Nitrogen, Hydrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine
Indications for a chemical change Gas, Light, Precipitate, Heat
Rows on periodic table Periods
Columns on periodic table Groups/Families
Alpha Decay Leaves a helium atom with 4 and 2
Beta Decay Leaves an electron with 0 and -1
Extrapolation Estimate data past known points
Interpolation Estimate data between known points
Ammonium NH4 +
Carbonate CO3 -2
Hydroxide OH -
Chromate CrO4 -2
Nitrate NO3 -
Sulfate SO4 -2
Bicarbonate HCO3 -
Phosphate PO4 -3
4 Quantum Numbers Shell, Subshell, Orbital, Spin
Shell Principle; 1,2,3...
Subshell Orbital; s,p,d,f
Orbital Magnetic; 1,3,5,7
Spin Spin; +1/2, -1/2
Electron rule 1 Lazy (Aufbau) electrons fill lowest energy orbitals first
Electron rule 2 Attitude (Hund's) electrons prefer to occupy their own orbital
Electron rule 3 Special (Pauli) no two electrons can have the same set of 4 quantum numbers
Who invented the Periodic Table Dmitri Mendeleev
3 Trends on periodic table Atomic Size increases going bottom-left Ionization Energy increases going top-right Electronegativity increases going top-right
Cations Positive Ions
Anions Negative Ions
Weakest force London Dispersion Forces between all molecules
Middle force Dipole-Dipole Forces between polar molecules
Strongest force Hydrogen Bond between molecules containing Hydrogen and Nitrogen, Oxygen, or Fluorine
AB4 Tetrahedral
Tetrahedral 109.5
AB3 Triangular Planar
Triangular Planar 120
AB3E Triangular Pyramidal
Triangular Pyramidal 107
AB2E2 Bent
Bent 105
AB2 Linear
Linear 180
Created by: Hola0205
 

 



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