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CI #2 Element Vocab

Terms and Definitions

QuestionAnswer
a substance that cannot be broken down into simpler substances by chemical or physical processes element
a way to organize the elements based on atomic number Periodic Table of Elements
elements that display metallic properties metals
elements that do not display metallic properties nonmetals
two or more elements join together chemically to form a new substance forms compounds
elements that have some characteristics of both metals and nonmetals metalloids
a vertical column on the Periodic Table group
an alternate name for a group family
a highly reactive group of elements located in Group I Alkali Metals
a reactive group of elements located in Group II Alkaline Earth Metals
a fairly stable group of elements located in Groups III-XIII Transition Metals
a very reactive group of elements located in Group XVII Halogen Group
a stable nonreactive group of elements located in Group XVIII Noble Gases
another name for the Noble Gases Inert Gases
the form in which matter exists state of matter
another term for state of matter phase of matter
combines chemically with other substances to form new substances reactive
20-25 degrees Celsius (68-77 degrees Fahrenheit) room temperature
two or more atoms joined together (maybe the same element or different elements) molecule
two or more different atoms (elements) joined together compound
the 7 naturally occurring diatomic molecules Cl I F H Br O N (Chlorine, Iodine, Florine, Hydrogen, Bromine, Oxygen, Nitrogen)
easily set on fire. flammable or inflammable or combustible
scientist who is often credited with developing the PTOE Dmitri Mendeleev
when a substance is nonreactive inert
the temperature at which a substance starts to melt (solid to liquid) melting point
to react with oxygen to form a new substance oxidize
when an element tends to be nonreactive or slow to react with other elements stable
Created by: kpatelunas
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