Atoms And Periodic Table Vocabulary
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PRESENTATION OUTLINE
ATOMIC NUMBER
NUMBER OF PROTONS IN THE NUCLEUS OF THE ATOM
ATOMIC MASS
THE MASS OF AN ATOM THAT IS EQUIVALENT TO THE NUMBER OF PROTONS AND NEUTRONS
MASS NUMBER
THE TOTAL NUMBER OF PROTONS AND NEUTRONS IN THE NUCLEUS
SUBATOMIC PARTICLE
A PARTICLE SMALLER THAN AN ATOM
ELECTRON CLOUD
ENERGY LEVEL
A FIXED AMOUNT OF ENERGY
VALENCE ELECTRON
ELECTRONS IN THE OUTER SHE’LL OF THE ATOM
CHEMICALLY STABLE
WHEN A SYSTEM IS AT IT’S LOWEST ENERGY LEVEL OR AT EQUILIBRIUM
CHEMICALLY REACTIVE
THE TENDENCY OF A CHEMICAL TO GO THROUGH CHANGES IN A SYSTEM
CONDUCTOR
CARRIES AN ELECTRIC CHARGE
INSULATOR
A MATERIAL THAT DOES NOT ALLOW ELECTRICITY TO PASS THROUGH
