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Periodic Table
a way to study the elements on the periodic table
| Question | Answer |
|---|---|
| Two or more atoms joined together by a chemical bond. | Molecule. |
| 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. |
| Central core of an atom. | Nucleus. |
| Letter or letters that abbreviate an elements name. | Chemical symbol. |
| Particle in a nucleus of an atom that has a positive charge. | Proton. |
| Particle in the nucleus of an atom that has no charge. | Neutron. |
| Substance made of two or more elements that are chemically combined. | Compound. |
| Substance that cannot be broken down into another substance. | Element. |
| Particle in an atom that has a negative charge. | Electron. |
| Standardized table that organizes the elements by their properties. | Periodic table. |
| Process in which one or more substances are changed into one or more different substances. | Chemical reaction. |