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Chemistry 110 test 1
First test for intro chem
22
Chemistry
Undergraduate 1
10/05/2012

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Term
Percentage composition
Definition
% = (# of atoms)(amu of element)
-------------------------
(Formula Weight of Substance)
Term
Combustion reactions
Definition
Rapid reactions that produce a flame
Term
Combustion reaction of hydrocarbon
Definition
Hydrocarbon + O2 -> CO2 + H20
Term
Names of Ionic Compounds/bonds
Definition
1) cation - anion
2) cation -ium; anion -ide
Term
Cation
Definition
+ Charge
Term
Anion
Definition
- Charge
Term
Ion
Definition
When an election is removed or added to an atom, a charged particle is called an ion
Term
Molecular compounds
Definition
Between nonmetals
Forms covalent bonds
Term
6
C
12.0107
Definition
atomic # - # of protons or electron
symbol of element
mass number (# of protons and neutrons)
Term
Isotopes
Definition
Atoms with the same element w/ different numbers of neutrons
Term
Properties of matter
Definition
Physical or chemical (properties w/o ∆ or rxns)

Intensive or extensive (not based on amount or based on amount)
Term
Ammonium
Definition
NH4+
Term
Cyanide
Definition
CN–
Term
Carbonate
Definition
CO3 2-
Term
Phosphate
Definition
PO4 3-
Term
Perchlorate
Definition
ClO4 –
Term
Hydroxide
Definition
OH –
Term
Nitrate
Definition
NO3 –
Term
Hydrogen Carbonate
Definition
CHO3 –
Term
Sulfate
Definition
SO4 2–
Term
Acetate
Definition
CH3COO –
Term
Density
Definition
Density = mass/volume
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