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39 Cards in this Set
- Front
- Back
MATTER
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ANYTHING THAT TAKES UP SPACE
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MASS
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THE AMOUNT OF MATTER IN A GIVEN SPACE
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CONSERVATION OF MASS
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MATTER/MASS CAN NEITHER BE CREATED NOR DESTROYED IN ORDINARY CHEMICAL REACTIONS
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PHYSICAL CHANGE
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A CHANGE WHERE NO NEW MOLECULE IS FORMED;
EX: HEAT, MELT, EVAPORATE,CONDENSE, AND SUBLIME |
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CHEMICAL CHANGE
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A CHANGE WHERE NEW MOLECULE IS FORMED
EX: COLOR CHANGE, BURNING, GAS GIVEN OFF, PRECIPITATION |
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HETEROGENOUS MIXTURE
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A MIXTURE WHERE SUBSTANCES ARE UNEVENLY MIXED
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HOMOGENOUS MIXTURE
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A MIXTURE WHERE SUBTANCES ARE EVENLY MIXED
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MIXTURE
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A PHYSICAL MIXING OF SUBSTANCES (MOLECULES REMAIN THE SAME...NO CHEMICAL REACTIONS)
EX: ROCKY ROAD ICE CREAM |
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MOLECULE
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A CHEMICAL MIXING OF SUBSTANCES (NEW MOLECULES ARE FORMED...OLD ARE GONE)
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COMPOUND
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A MOLECULE THAT CONTAINS TWO OR MORE ELEMENTS
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ELECTRON
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PART OF THE ATOM WITH A NEGATIVE CHARGE
LOCATED IN THE ELECTRON CLOUD MASS OF 0 amu |
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NEUTRON
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PART OF THE ATOM WITH NO CHARGE
LOCATED IN THE NUCLEUS MASS OF 1 amu |
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PROTON
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PART OF THE ATOM WITH A POSITIVE CHARGE
LOCATED IN THE NUCLEUS MASS OF 1 amu |
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ATOMIC NUMBER
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SAME AS NUMBER OF PROTONS IN AN ELEMENT
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ATOMIC MASS
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# OF Ps + # OF Ns
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ISOTOPE
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ATOMS OF THE SAME ELEMENT WITH THE SAME ATOMIC NUMBER BUT A DIFFERENT ATOMIC MASS
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IONS
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ATOMS/MOLECULES THAT ARE CHARGED
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CATIONS
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POSITIVELY CHARGED IONS; LOSE ELECTRONS
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ANIONS
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NEGATIVELY CHARGED IONS; GAIN ELECTRONS
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PERCENT ABUNDANCE
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THE PERCENT OF ALL ATOMS OF AN ELEMENT WITH THE SAME ATOMIC MASS
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RUTHERFORD EXPERIMENT
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an experiment that involved shooting ALPHA PARTICLES AT A SHEET OF GOLD FOIL...CONLUDED THAT AN ATOM IS MOSTLY EMPTY SPACE WITH ALL OF THE MASS IN THE POSITVELY CHARGED NUCLEUS
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VALENCE ELECTRONS
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ELECTRONS IN OUTERMOST ENERGY LEVEL THAT ARE INVOLVED WITH BONDING AND REACTIONS
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ORBITALS (S,P,D,F)
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SHRODING'S PROBABILITY; THE MOST PROBABLE LOCATION OF ELECTRONS WITIN THE ENERGY LEVEL
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DMITRI MENDELEEV
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1ST PERIODIC TABLE -- BASED ON INCREASING ATOMIC MASS AND SIMILAR PROPERTIES
ARRANGED ELEMENTS BY PROPERTIES |
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HENRY MOSELY
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BASED THE PERIODIC TABLE ON INCREASING ATOMIC NUMBER
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PERIOD
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A ROW OF THE PERIODIC TABLE (ACROSS)
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GROUP/FAMILY
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A COLUMN OF THE PERIODIC TABLE (UP/DOWN)
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MONO
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ONE
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DI
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TWO
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TRI
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THREE
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TETRA
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FOUR
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PENTA
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FIVE
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HEXA
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SIX
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HEPTA
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SEVEN
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OCTA
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EIGHT
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IONIC BONDING
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ATOMS HELD TOGETHER BY THE ATTRACTION OF OPPOSITE CHARGES; A METAL WITH A NON-METAL
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COVALENT BONDING
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ATOMS ARE HELD TOGETHER BY SHARING ONE PAIR OF ELECTRONS;OVERLAP OF THE LECTRON CLOUDS; NONMETAL WITH NONMETAL
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HEAT OF FUSIOIN
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HEAT THAT MUST BE ADDED TO MELT ONE MOLE OF A SOLID
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HEAT OF VAPORIZATION
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HEAT THAT MUST BE ADDED TO BOIL ONE MOLE OF A LIQUID
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