Matching Pairs Vocab #11-18Online version PT vocab by Sarah Kniss 1 METALLOID: Silicon is an example of a metalloid because it has some properties of metals and others of nonmetals. 2 GROUP: Boron and aluminum are both in group 13 on the periodic table. 3 PERIOD: Hydrogen and helium are both located in the top period of the periodic table. 4 MENDELEEV: Mendeleev's contribution was critical to the field of chemistry. 5 METAL: Elements that are metals have 3 valence electrons or fewer. 6 FAMILY: Carbon and silicon are in the same family in the periodic table. 7 NONMETAL: Helium, oxygen, and fluorine are examples of nonmetals. 8 PERIODIC: The days of the week are periodic. vertical column on the periodic table repeating in a pattern horizontal row on the periodic table another name for a group on the periodic table scientist who arranged elements into a table and used it to predict unknown elements element bordering the zigzag line on the periodic table element on the right side of the zigzag line on the periodic table element on the left side of the zigzag line on the periodic table
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