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Gabby Miller
Chapter5Vocab
| Term | Definition |
|---|---|
| Periodic Table | an arrangement of elements in columns, based on a set of properties that repeat from row to row |
| Period | each row in the periodic table of elements |
| Periodic Law | pattern of repeating properties |
| Atomic Mas Unit (AMU) | on twelfth of a carbon-12 atom |
| Metals | elements that are good conductors of electric current and heat |
| Nonmetals | elements that are poor conductors of electric current and heat |
| Metalloids | elements with properties that fall between those of metals and nonmetals |
| Transition Metals | elements that form a bridge between the elements on the left and right sides of the periodic table |
| Valence Electron | an electron that is in the highest occupied energy level of an atom |
| Alkali Meatls | the elements in Group 1A |
| Alkaline Earth Metals | the elements in Group 2A |
| Halogens | the elements in Group 7A |
| Noble Gases | the elements in Group 8A |
| Group | each column on the periodic table |