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final exam (Definitions (Valance Electrons (Electrons in the highest…
final exam
Definitions
Valance Electrons
Electrons in the highest occupied energy level.
Polyatomic Ion
More than one element with a charge.
Ionic Bond
Metal And Non Metal.
Molecular Bond
Two Non Metals
Molecular Compound
Shows the actual number of each element.
Empirical Formula
The smallest whole number ratio of the atom in a compound.
Mole
6.02 x 10^23
Skeletal Equation
Does not indicate relative amounts of reactants and products.
Ch. 8
Non Polar
H 2.1- H 2.1
Polar
H 2.1 - Cl 3.0
0.0 - 0.4 = Non Polar
0.4 - 1.0 = Moderately polar
1.0 - 2.0 = very polar
2.0 or more = ionic
Ch. 5
How many atoms each orbital can hold
s=2, p=6, d=10, f=14
Order
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p
Ch. 7
Ionic compounds
Aluminum and Chlorine = Aluminum Chloride = AlCl3
Nitrogen and Sodium = sodium Nitride = Na3N
Ch. 9
Binary Prefixes
1:Mono, 2:Di, 3:Tri, 4:Tetra, 5:Penta, 6:Hexa, 7:Hepta, 8:Octa, 9:Nona, 10:Deca
Ch. 10
Percent Composistion
Number of atoms divided by all times 100.
Ch. 11
Reactions
Single Replacement
A + BC arrow AC + B
Double Replacement
AB + CD Arrow CB + AD
Combustion
CX + Hy Arrow CO2 + H2O
Combination
A + B Arrow C
Decomposition
C Arrow A + B