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Properties and the Periodic Table

Includes the following vocabulary terms: physical property, chemical property, physical change, chemical change, combustion, luster, ductile, metals, nonmetals, metalloids, conductor, nonconductor, atomic number, nucleus, mass number, isotopes, periods, groups, and families.
AB
physical propertyExamples include colour & odor
physical changeWhen this occurs, the material remains the same, even though its form appears to have changed.
chemical propertyExamples include permanent color change & rust formation. Something that is hard to reverse
chemical changeA permanent change; the original substance changes into a new substance. Something that is easy to reverse
combustionBurning
lustreShine
ductileThe ability of a material to be drawn into thin wires
metalsIncludes silver and gold, can conduct electricity, & are malleable.
nonmetalsIncludes C and O, do not conduct electricity, & are brittle.
metalloids/Semi-metalsPeriodic table category includes properties ot both metals and nonmetals; it is the "in-between" category.
conductorA material that allows electricity to flow through it
nonconductorA material that does not allow electricity to flow through it
atomic numberThe number of protons that each element has is called its _____.
nucleusThe center of an atom that contains protons & neutrons
atomic weight or massThe total number of protons & neutrons in the nucleus of an atom


Mr H
Senior Chemistry Teacher
St. Catherines
Sydney

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