Metals, Nonmetals, and Metalloids

Which element is a metalloid?

• Titanium
• Selenium
• Potassium
• Polonium

All of the following would classify an element as a metal except?

• Dull
• Luster
• Malleable
• Hard

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

• Metal
• Nonmetal
• Metalloid
• Pretty

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

Which table below correctly lists the properties of metals and nonmetals? *

• A
• B
• C
• D

All of the following are properties used to classify elements as metals, non-metals, and metalloids EXCEPT —

• texture
• conductivity
• luster
• malleability

A student tested the conductivity of four elements using an incomplete electrical circuit. When the element is placed in the circuit, the bulb lights up brightly, lights up dimly, or does not light up at all based on the element’s ability to conduct electricity. The table below shows the results of her investigation. Based on the results of the conductivity test, which element is classified as a metal? 

• Hydrogen
• Arsenic
• Krypton
• Copper

Which of the following correctly lists the three main groups of elements from greatest conductivity to least conductivity?

• Nonmetals -metalloids-metals
• metals-nonmetals-metalloids
• metalloids-metals-nonmetals
• metals-metalloids-nonmetals

The word “luster” refers to which property of matter?

• The ability to conduct electrical or thermal energy
• Capable of being drawn out into thin wires
• The way a surface appears when it reflects light
• Suitable for being shaped by beating or rolling

The table shows the properties of four elements. Which element in the table is classified as a metal?

• Manganese
• Sulfur
• Silicon
• Neon