Elements

Which of the following demonstrates a property of a metal?

• Malleable

• Dull

• Brittle

• None of these

If you have a material that can conduct electricity well it is probably a...

• Metalloid
• Matter
• Non-metal
• Metal

Which of these grouping of elements could have the characteristic of luster (shiny)?

• Metal
• Nonmetal
• metalloids
• Both metals and metalloids

Which of the following is NOT a characteristic of most metals?

• Brittle
• Good conductor
• Ductile
• Malleable

How do metals differ from nonmetals?

• metals are shiny, nonmetals are dull
• metals are good insulators, nonmetals are good conductors
• metals are powdery
• nonmetals are shiny

Iron is a good conductor, malleable and magnetic. What type of element is Iron?

• Metal

• Non-metal

• Metalloid

• None of the above

What is NOT a property of metals

• brittle
• ductile
• malleable
• conductor

Which of the following would help a student classify an unknown element as a metal, metalloid, or non-metal?

• Measure its conductivity
• Determine its density
• Find its melting point
• Observe its color

Some students conducted a laboratory investigation to learn more about the physical properties of different elements. They observed four samples and recorded their observations in the table . Based on these observations, which sample is most likely a nonmetal?

• Sample 1
• Sample 2
• Sample 3
• Sample 4

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