Metals,Nonmetals,Metalloids Questions

What type of elements border the “stair step” or “zigzag line”?

• metals

• nonmetals

• metalloids

• solids

Krypton (Kr) is a colorless gas that does not conduct electricity. Where would you find this element on the Periodic Table?

• on the left

• on the right

• in the middle

• at the bottom

What is a semiconductor?

• an element that conducts electricity

• an element that conducts electricity only under certain conditions

• an element that does not conduct electricity

• an element that barely conducts electricity

Aluminum is an element that is used to make soda cans and sheet metal for airplanes. What property of aluminum makes it useful in this way?

• Aluminum is a conductor

• Aluminum is ductile

• Aluminum is malleable

• Aluminum has a high melting point

True or False: There are only about 65 known elements.

• True

• False

• Maybe

• I don't know

The majority of the elements on the Periodic Table are

• metals

• nonmetals

• metalloids

• solids

Copper is used as wiring in many homes because it is a _________ metal.

• malleable

• ductile

• conductive

• insulated

Sodium (Na) is a silvery metallic element with an extremely high melting point. This element is a __________ and will be found on the __________ side of the Periodic Table.

• nonmetal, right

• metal, right

• nonmetal, left

• metal, left

The ________ make up the smallest group on the Periodic Table.

• metals

• nonmetals

• metalloids

• solids

Which of the following is a metalloid? (more than one is correct)

• Hydrogen

• Boron

• Germanium

• Titanium

• Polonium