Periodic Table

An element that is shiny and conducts heat and electricity well

• nonmetal

• metalloid

• metal

• halogen

An element that conducts heat and electricity poorly

• nonmetal

• metal

• metalloid

• Alkali Metals

Elements that have properties of BOTH metals and nonmetals

• metals

• nonmetals

• metalloids

• Halogens

In chemistry, a horizontal row of elements in the periodic table

• period

• group

• valence electron

• energy level

A vertical column of elements in the periodic table; share chemical properties

• group

• period

• valence electron

• energy level

Elements in Group 1 of the periodic table

• Halogens

• Noble Gases

• Alkaline-Earth Metals

• Alkali Metals

Elements in Group 2 of the periodic table

• Halogens

• Noble Gases

• Alkaline-Earth Metals

• Alkali Metals

Nonreactive nonmetals in Group 18 of the periodic table

• Halogens

• Noble Gases

• Alkaline-Earth Metals

• Alkali Metals

Elements in Group 17 of the periodic table

• Halogens

• Noble Gases

• Alkaline-Earth Metals

• Alkali Metals

Can be flattened with a hammer and will not shatter

• malleable

• ductile

• brittle

• flimsy