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Mikayla Milford
Cp. 5 vocab
| Term | Definition |
|---|---|
| Periodic table | is an arrangement of elements in columns, based on a set of properties that repeat from row to row. |
| Period | a row in a periodic table of elements. |
| Group | each column on the periodic table. |
| Period Law | the pattern of repeating properties. |
| Atomic Mass Unit | is defined as one twelfth the mass of carbon-12 atom. |
| Metals | are elements that are good conductors of electric current and heat. |
| Transitive Metals | are elements that form a bridge between the elements on the left and right sides I the table. |
| Nonmetals | are elements that are poor conductors of electric current and heat. |
| Metalloids | are elements with properties thy fall between those of metals and nonmetals. |
| Valence electrons | is an electron that is in the highest occupied energy level of an atom. |
| Alkali Metals | the elements in group 1a. |
| Alkaline earth Metals | the element in group 2a. |
| Halogens | the elements in group 7a. |
| Noble Gases | the elements in group 8a. |