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Chapter 12
Periodic Table
| Definition | Term |
|---|---|
| the smallest particle of an element that still has the properties of that element | atom |
| a shorthand way to describe the chemical makeup of a compound | chemical formula |
| the process in which one or more substances are changed into one or mor different substances | chemical reaction |
| letter or letters that abbreviate an elements name | chemical symbol |
| substance made of two or more elements that are chemically combined | compound |
| particle in an atom that has a negative charge | electron |
| substance that cannot be broken down into another substance | element |
| two or more atoms joined together by a chemical bond | molecule |
| particle in the nucleus of an atom that has no charge | neutron |
| central core of an atom | nucleus |
| standardized table that organizes the elements by their properties | periodic table |
| particle in the nucleus of an atom that has a positive charge | proton |