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Stuff needed to study for mid term exams


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element that is usually a gas or brittle solid at room tempurature and is a poor conductor of electricity and heat.
earth science
study of earth's systems and the systems in space, including weather and climate systems, and the study of non-living things such as rocks, oceans, and planets.
element that has luster, is malleable, ductile, and a good conductor of heat and electricity.
chemical bond
force that holds 2 atoms together.
information gathered during an investigation; recorded in the form of descriptions, tables, graphs or drawings.
element that shares some properties with both metals and nonmetals
the second series of inner transition elements which goes from thorium to lawrencium.
dependant variable
variable that may change as a result of changes purposely made to the independant variable.
noble gases
elements in group 18 of the periodic table.
reasonable guess that can be tested and is based on what is known and what is observed.
scientific law
a rule that describes a pattern in nature but does not try to explain why something happens.
element that does not conduct electricity as well as metals but conducts it better than a nonmetal.

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