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science words
7th grade science words
Term | Definition |
---|---|
Atoms | the smallest particle that makes up everything whether it is a solid , gas , or matter |
Electron | has a electric charge |
Element | When something is made up of only one kind of atom |
Neutron | has no charge |
Proton | has a positive charge |
Malleable | can be smashed without crumbling |
Luster | shiny |
Ductile | can be drawn into a thin wire |
Corrosive | rusts |
Density | the degree of compactness of a substance |
Alkali Metal | metals that are very reactive with water or any of the group of univalent metals |
Alkaline Earth Metals | react with halogens or any of the group of univalent metals |
Transitional Metals | unreactive metals |
Halogens | very reactive metals |
Noble Gases | unreactive metals or any of the chemically inert gaseous elements |
Alloy | a substance composed of two or more metals,or of a metal or metals with a nonmetal, intimately mixed, as by fusion or electrodeposition. |