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Chapter 12 Vocab - Periodic Table
Question | Answer |
---|---|
Periodic | describes something that occurs or repeats at regular intervals. |
Periodic Law | the law that states the repeating chemical and physical properties of elements change periodically with the elements atomic # |
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 metals | elements in of Group 1 in the periodic table |
Alkaline - earth metal | one of the elements in Group 2 of the periodic table |
Halogen | one of the elements in Group 17 of the periodic table |
Noble Gas | one of the elements in Group 18 of the periodic table |