STAAR Review Day 2 Vocabulary

The ability of an element to transfer heat or electricity through it

• Malleability

• Conductivity

• Luster

• Metals

Found on the left side (A) of the periodic table, these elements have high luster, are usually solid, and conduct electricity

• Nonmetals

• Transitional Metals

• Metalloids

• Metals

The amount of matter in a given space

• Periods

• Chemical reaction

• Density

• Malleability

A number written slightly smaller, bellow, and after an element's symbol indicating the number of atoms in a compound

• Periods

• Periodic Table

• Elements

• Subscripts

A physical property that describes how a substance reflects light.

• Malleability

• Luster

• Ductility

• Conductivity

found in a small diagonal section ( C ) of the periodic table, these elements have unique properties of metals and nonmetals

• Metals

• Transitional Metals

• Metalloids

• Nonmetals

a number written preceding a chemical formula indicating the number of molecules

• Subscript

• Groups

• Coefficient

• Period

A visual representation of the elements grouped by similar properties.

• Periods

• The Periodic Table

• Groups

• Elements

Found on the right side of the periodic table (D ) , these elements are poor conductors of electricity and are mostly gases

• Metals

• Nonmetals

• Metalloids

• Transitional metals

Rows of elements on the periodic table

• Groups

• Periods

• Valance electrons

• Energy Shells