ESCH chptr 12 vocab Word Scramble
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Question | Answer |
periodic | describes something that occures 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 chepistry, a horizontal row of elemetns 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 teh elements of Group 1 of the periodic table (lithium, sodium, potassium, rubidium, cesuim, and francium) |
alkaline-erth metal | one of the elements of Group 2 of the periodic table (beryllium, magnesuim, salcium, baruim, and radium) |
halogen | one of the elements of Group 17 of the periodic table (flourine, chlorine, bromine, iodine, and astatine); halogens combine with most metals to form salts. |
noble gas | one of the elemetns of Group 18 of he periodic table (helium, neon, argon, krypton, xenon, and radon);noble gases are unreactive. |
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