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