Chap 12 voca Word Scramble
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Vocab | Definition |
Periodic | Describes 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 1 of the periodic table (lithium, sodium, potassium, rubidium, cesium, and francium) |
Alkanine-Earth Metal | one of the elements of Group 2 of the periodic table (beryllium, magnesium, calcium, strontium, barium, and radium) |
Halogen | one of the elements of Group 17 of the periodic table (fluorine, chorine, bromine, iodine, and astatine); halogens combine with most metals to form salts |
Noble Gas | one of the elements of Group 18 of the periodic table (helium, neon, argon, krypton, xenon, and radon); noble gases are unreactive |
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