located along the right side of the periodic table; have properties opposite of metals

subatomic particle that determines an element's reactivity

very reactive group 1 metals

located along the stair-step line; properties of both metals and nonmetals

a horizontal row in the periodic table

determines the exact position of every element in the periodic table

found left and center on the periodic table; often malleable and conductive

very reactive group 17 nonmetals

these share similar physical and chemical properties