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