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Chemistry 100
Exam 1
35
Chemistry
Undergraduate 2
10/03/2011

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Term
ATOM
Definition
THE SMALLEST CHARACTERISTIC PARTICLE OF AN ELEMENT
Term
MOLECULE
Definition
AN ELECTRICALLY NEUTRAL UNIT OF TWO OR MORE ATOMS JOINED BY COVALENT BONDS; THE SMALLEST FUNDAMENTAL UNIT OF A MOLECULAR SUBSTANCE
Term
ATOMIC MASS
Definition
THE UNIT OF RELATIVE ATOMIC WEIGHTS, 1/12 THE MASS OF A CARBON-12 ATOM
Term
ATOMIC NUMBER
Definition
THE NUMBER OF PROTONS IN THE NUCLEUS OF AN ATOM OF AN ELEMENT
Term
MASS NUMBER
Definition
THE SUM OF THE NUMBERS OF PROTONS AND NEUTRONS IN THE NUCLEUS OF AN ATOM
Term
ELECTRON ENERGY LEVELS
Definition
LEVEL 1 = 2 LEVEL 2 = 8 LEVEL 3 = 18
Term
ELEMENT
Definition
A FUNDAMENTAL SUBSTANCE IN WHICH ALL ATOMS HAVE THE SAME NUMBER OF PROTONS
Term
COMPOUND
Definition
A PURE SUBSTANCE MADE UP OF TWO OR MORE ELEMENTS COMBINED IN FIXED PROPORTIONS
Term
PROTON
Definition
THE UNIT OF POSITIVE CHARGE IN THE NUCLEUS OF AN ATOM
Term
MIXTURE
Definition
MATTER WITH A VARIABLE COMPOSITION
Term
GLOBAL WARMING
Definition
AN INCREASE IN THE EARTH'S AVERAGE TEMPERATURE
Term
CHLOROFLUOROCARBON
Definition
THE BAD THINGS THAT DEPLETE THE STRATOSPHERE
Term
LONDON SMOG
Definition
DAMP CLIMATE, HIGHLY INDUSTRIALIZED REGION
Term
OZONE DEPLETION
Definition
O3-UV--> O2 + O
O+O2 --> O3
Term
PHOTOCHEMICAL SMOG
Definition
SMOG CREATED BY THE ACTION OF SUNLIGHT ON UNBURNED HYDROCARBONS AND NITROGEN OXIDES, MAINLY FROM CARS
Term
MONTREAL PROTOCOL
Definition
TREATY SIGNED THAT STARTED TO PHASE OUT CERTAIN SUBSTANCES (CHC'S)
Term
ISOTOPES
Definition
ATOMS THAT HAVE THE SAME NUMBER OF PROTONS BUT DIFFERENT NUMBERS OF NEUTRONS
Term
CHEMICAL FORMULA
Definition
CH4 OR C2H6
Term
ELECTRON
Definition
THE SUBATOMIC PARTICLE THAT EARS A UNIT OF NEGATIVE CHARGE
Term
NEUTRON
Definition
A FUNDAMENTAL PARTICLE WITH A MASS OF APPROXIMATELY 1 U AND NO ELECTRIC CHARGE
Term
FRACTIONAL DISTILLATION
Definition
DISTILLING COMPONENTS INTO DIFFERENT PARTS BY BOILING POINT OR OTHER TEMPERATURES
Term
ALKANE
Definition
A HYDROCARBON WITH ONLY SINGLE BONDS; A SATURATED CARBON
Term
ALKENE
Definition
A HYDROCARBON CONTAINING ONE OR MORE DOUBLE BONDS
Term
ALKYNE
Definition
A HYDROCARBON CONTAINING ONE OR MORE TRIPLE BONDS
Term
AROMATIC HYDROCARBON
Definition
HYDROCARBON WITH ALTERNATING DOUBLE AND SINGLE BONDS BETWEEN CARBONS
Term
MONO
Definition
1
Term
DI
Definition
2
Term
TRI
Definition
3
Term
TETRA
Definition
4
Term
PENTA
Definition
5
Term
HEXA
Definition
6
Term
HEPTA
Definition
7
Term
OCTA
Definition
8
Term
NONA
Definition
9
Term
DECA
Definition
10
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