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s8p1 .a
Term | Definition |
---|---|
atom | the smallest unit of an element that maintains the propeties of that element |
element | a subtance that cannot be separted or broken down into su by chemical |
nucleus proton | in physcal science an atoms centarl |
neutral | having no overall charge |
electron | a subatomic particles that has a negative charge |
atomic mass | the mass of an atom expressed in atomic mass units |
chemical symbol | a one or two letter code that represnts an element |