Term Definition
Element Pure substance made of only 1 atom
Atom Smallest particle of matter
Protons A positive charge, located in the necleus
Malleable Metals can be flattened without crumbling
Atomic Number The number it has of protons and electrons in a n atom
Density How much mass there is in a certain amount of volume
Metalloids Group of can be like metals and nonmetals
Electrons Negative charge, located outside of the nucleus
Metals Group that are good conductors of heat and electricity, are malleable and ductile and have luster
Luster Shiney
Neutrons No charge, located in the nucleus with the protons
Chemical Symbol An abbreviation of a chemical symbol
Ductile Can be drawn into
Corrosive Rusts
Atomic Mass How much a certain amount wieghts
Nonmetals Group that are poor conductors of heat and electricity and are brittle
Atoms Smallest particle of matter
Element Pure substance made of only 1 atom
Deposition G to S
Sublimation S to G
Evaporation L to G
Melting S to L
Freezing L to S
Condensation G to L
Atomic Theory The study of the atom

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