Classifying Metals and Nonmetals

Which of these is a property of metals?

• It's malleable
• It can't conduct electricity
• They are used in food
• It's very brittle

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

I have an object that is dull, brittle, and an insulator, what is it?

• metalloid
• non-metal
• metal
• matter

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

• Metalloid
• Matter
• Non-metal
• Metal

Tags

NGSS.MS-PS2-3

What physical properties are used to classify elements as metals, non-metals, or metalloids?

• Color, smell, physical state
• Reactivity, streak, hardness
• Ability to burn, mass, density
• Luster, conductivity, malleability

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

Non-metals are good conductors of heat and electricity. 

• TRUE
• FALSE

Metals are ductile, meaning they can be drawn into wire

• True
• False
• Never

Unlike non-metals, most metals tend to —

• conduct electricity and heat well.
• be gases at room temperature.
• break easily when hammered.
• have less luster and shine.

Luster is ___________

• A.  the way light is reflected off a surface.
• A.  how well a piece of matter conducts electricity. 
• A.  the capability of being drawn out into thin wires or threads.
• A.  the capability of being hammered out thin.