Unit Test Review 1

What properites do nonmetals have in common?

• Poor conductor of electricity

• Good conductor of thermal energy

• Soft and Malleable

• Shiny, lustrous surface

This word is used to describe a substance that breaks apart easily and is weak and fragile

• Conductivity

• Ductile

• Malleable

• Brittle

Metals are...

• dull, brittle, insulators.

• shiny or dull, brittle, semiconductor.

• shiny, malleable, conductors.

• shiny, dull, insulator.

Where are the nonmetals located on the Periodic Table?

• On the right

• On the left

• On the stairstep

Heterogeneous or Homogeneous?

• Heterogeneous

• Homogeneous

This group of elements sit along a stair step line on the periodic table and have properties of both metals and nonmetals. _________________________

• luster

• metals

• nonmetals

• metalloids

Where are the nonmetals located on the Periodic Table?

• On the right

• On the left

• On the stairstep

A ______________ is made up of different kinds of atoms chemically combined.

• element

• compound

• mixture

• molecule

Which element is a metalloid?

• Titanium
• Selenium
• Potassium
• Polonium

A student is given a sample of an unknown substance. He is asked to determine if it is classified as a metal, a metalloid, or a nonmetal. He discovered that the unknown element conducted some heat and electricity, had a shiny luster, and broke easily. This element is most likely a 

• metal
• nonmetal
• metalloid
• cannot be determined