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