Nonmetals & Metalloids

Which of these grouping of elements could have the characteristic of brittle?

• Metal
• Nonmetal

One property of a nonmetals is that it is a good conductor of electricity?

• true
• false

If a substance breaks easily, it is said to be ________________.

• A. Magnetic
• B. Brittle
• C. Conductive
• D. Ductile

Nonmetals occur to the ________of the dark zig-zag on the periodic table. 

• A. right
• B. middle
• C. left

What element in Group 1 is not a metal but a nonmetal?

• Helium
• Lithium
• Hydrogen
• Oxygen

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

The elements argon, krypton, and xenon are all non-metals. What property would these elements have in common?

• Good conductor of thermal energy
• Poor conductor of electricity
• Shiny, lustrous surface
• Soft and malleable

Where are the non-metallic elements found in the periodic table?

• In the middle
• In the top rows
• On the left-hand side
• On the right-hand side

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

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

• Metal
• Nonmetal
• metalloids
• Both metals and metalloids