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physicalscienceap
Periodic table ch 12
| Word | Vocab |
|---|---|
| Periodic | Descibes something that occurs or reports at regular intervals |
| Periodic Table | law that states that the repeting chemical and physical properties of elements change periodically with the atomic numbers of the elements |
| Period | in chemistry, a horizontal row of elements in the periodic table |
| group | vertical column of elements in the periodic table;elements in a group share chemical prperties |
| Alkali Metal | one of the elements of group 1 of the peridic table |
| Alkali Meatl Earth | One of the elements of group 2 |
| Halogen | On of elements in group 17 |