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Chapter 12 Periodic Table of elementz
| Question | Answer |
|---|---|
| Periodic | Describs something that occurs or repeats at regular intervals. |
| Periodic Law | The law that states that the repeating 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 | A vertical column of elements in the periodic table; elements in a group share chemical properties. |
| Alkali Metal | One of the elements of group one of the periodic table. |
| Alkaline |