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Ch 8 The Periodic Table

8th grade Ch. 1 Exploring and Classifying
Across
Elements in group 3-12 in the periodic table, all of which are metals.
Elements in group 17 of the periodic table.
Element that has luster, is malleable, ductile, and a good conductor of heat and electricity.
Element that shares some properties with both metals and nonmetals.
Elements in group 1 and 2 and 13-18 in the periodic table that include metals, metalloids, and nonmetals.
Element that does not conduct electricity as well as a metal but conducts it better than a nonmetal.
The first series of inner transition elements which goes from cerium to lutetium.
Down
The second series of inner transitional elements which goes from thorium to lawrencium.
Substance that speeds up a chemical reaction but is not used up itself or permanently changed.
Elements in group 2 of the periodic table.
Elements in group 1 of the periodic table.
Elements in group 18 of the periodic table.
Radioactive elements that are made in laboratories.
Horizontal row of elements in the periodic table whose properties change gradually and predictably.
Element that is usually a gas or brittle solid at room temperature and is a poor conductor of heat and electricity.
Family of elements in the periodic table that have similar physical or chemical properties.