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27 Cards in this Set

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SMALLEST PARTICLE OF AN ELEMENT THAT RETAINS THE PROPERTIES OF THE ELEMENT
ATOM
THE MASS OF AVOGADRO NUMBER OF FORMULA UNITS
ATOMIC MASS
NUMBER OF PROTONS IN AN ATOM OF AN ELEMENT
ATOMIC NUMBER
NUMBER OF PROTONS PLUS NEUTRONS IN AN ATOM OF AN ELEMENT
MASS NUMBER
NEGATIVELY CHARGE PARTICLE OF AN ATOM OUTSIDE THE NUCLEUS
ELECTRON
ATOMS OF THE SAME ELEMENT WITH DIFFERENT NUMBER OF NEUTRONS IN THEIR NUCLEUS
ISOTOPES
AVERAGE DISTANCE FROM THE NUCLEUS THAT AN ELECTRON CAN BE LOCATED
ENERGY LEVEL
ELECTRON ABSORBS ENERGY TO OCCUPY AN ENERGY LEVEL FURTHER FROM THE NUCLEUS
EXCITED STATE
POSITIVELY CHARGED PARTICLE IN THE NUCLEOUS OF AN ATOM
PROTON
NUCLEUS- ATOM MOSTLY SPACE
RUTHERFORD
ELECTRON AND PLUM PUDDING MODEL OF THE ATOM
THOMSON
A SUBATOMIC PARTICLE WITH A SINGLE POSITIVE CHARGE....1840 TIMES THE MASS OF AN ELECTRON
PROTON
THE CENTRAL CORE OF AN ATOM
NUCLEUS
SUBATOMIC PARTICLE THAT BEARS NO NET ELECTRICAL CHARGE----ITS MASS IS SLIGHTLY GREATER THAN A PROTON'S MASS
NEUTRON
BASIC UNIT OF AN ELEMENT THAT CAN ENTER INTO CHEMICAL COMBINATION
ATOM
ARRANGEMENT OF THE ELEMENTS IN TABLE FORM
PERIODIC TABLE
THE ELEMENTS IN A VERTICAL COLUMN OF THE PERIODIC TABLE
FAMILY
NONMETALLIC ELEMENTS IN GROUP 8A---GENERALLY NONREACTIVE
NOBLE GASES
A HORIZONTAL ROW OF THE PERIODIC TABLE
PERIOD
THE ELEMENTS IN A VERTICAL COLUMN OF THE PERIODIC TABLE
GROUP
AN ELEMENT WITH PROPERTIES INTERMEDIATE BETWEEN THOSE OF METALS AND NONMETALS
METALLOID
TWO OR MORE ATOMS HELD TOGETHER BY CHEMICAL BONDS --- DEFINITE RATIO OF ATOMS
MOLECULE
ELEMENTS THAT ARE USUALLY POOR CONDUCTORS OF HEAT AND ELECTRICITY
NONMETALS
ELEMENTS THAT ARE GOOD CONDUCTORS OF HEAT AND ELECTRICITY AND HAVE A TENDENCY TO LOSE ELECTRONS IN CHEMICAL REACTION
METALS
THE GROUP 1A ELEMENTS
ALKALI METALS
THE GROUP 2A ELEMENTS
ALKALINE EARTH METALS
THE NONMETALLIC ELEMENTS IN GROUP 7A
HALOGENS