(2.5) Metalloids and Nonmetals

Metalloids can be found in the following groups/families (choose ALL that apply):

• Group 13

• Group 15

• Group 17

• Group 18

Metalloids are located along the _____.

• column

• trellis

• stairsteps

• row

Metalloids are elements with intermediate properties, meaning they share properties of both _____ and _____.

• solids; liquids

• metals; nonmetals

• liquids; gases

• solids; gases

Select the following that properties that accurately describe metalloids/semimetals:

• dull

• malleable

• semiconductor

• ductile

Which of the following is NOT a property of nonmetals:

• brittle

• dull

• good conductors of heat and electricity

• non-magnetic

Nonmetals are located on the _____ of the periodic table

• left

• middle

• right

Hydrogen (H) is a _____.

• metal

• metalloid

• nonmetal

Group 17 is called the _____.

• Alkali metals

• Alkaline earth metals

• Transition metals

• Halogens

Group 17 elements (halogens) have _____ valence electrons.

• 17

• 7

• 10

• 9

Helium (He) has _____ valence electrons.

• 18

• 8

• 2

• 1