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Vocabulary
PS4
| Term | Definition |
|---|---|
| Metal | An element that is shiny and that conducts heat and electricity well. |
| Nonmetal | An element that conducts heat and electricity poorly. |
| Metalliod | Elements that have properties of both metals and nonmetals. |
| Periodic Law | The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements. |
| Proton | A subatomic particle that has a positive charge and that is found in the nucleus of an atom. |
| Neutron | A subatomic particle that has no charge and that id found in the the nucleus of an atom. |
| Electron | A subatomic particle that has a negative charge. |
| Atomic Symbol | The number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus. Also called proton number. |