Matching Pairs 8.5C_VocabMatchOnline version 8.5C Patterns of The PTE. by Andrea Soliz 1 Group 1 and 17 2 Metal 3 Periods 4 Periodic Table of Elements 5 Noble Gas 6 nonreactive 7 reactive 8 Non-metal 9 Groups The organization of elements into groups and periods based on their chemical properties. The columns on the periodic table that show elements with the same number of valence elecrons These groups are known for being highly reactive The type of element that is characterized by being unreactive non-metals in group 18. a term used to describe an element that has a full valence shell. The rows on the periodic table that show elements with the same number of energy levels a term used to describe elements that do not have a complete valence shell. The type of of element characterized by being dull, brittle, and poor conductors of heat and electricity. The most common type of element characterized by being shiny, malleable, ductile, and good conductors
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