chp 12 vocab Word Scramble
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Questio | Answer |
periodic | describes something that occurs or repeats at regular intervals |
periodic law | the law that states that the repeating chemical and the physical properies of elements change periodicly with the atomic numbers of the elements number of the element |
period | horizontal row of elements in the periodic table |
group | a vertical colume of elements in the periodic table. the elements share chemical properties, also called family |
alkali metal | 1 of the elements of group of the periodic table. EX sodium potasium and lytheiume |
alkaline-earth-metal | 1 of the elements of group 2 of the periodic table EX magnesium calcium and radium |
halogen | 1 of the elements of gropu 17 of the periodic table EX florine iodine. they combine with metals to form salts |
noble gas | 1 of the elemtns of group 18 of the periodic table EX helium neon argon noble gases unreactive |
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wizardgirl1304
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