Question

topic5 d4 assessment periodic table
1 of 42

1. which of the following are poor conductors of heat and electricity?

metalloids
nonmetals
alkaline earth elements
metals

Explanation:

• Metalloids: Have some properties of metals and nonmetals, but not poor conductors.
• Nonmetals: Generally lack the free electrons that allow for good heat and electricity conduction.
• Alkaline earth elements: Are metals and good conductors.
• Metals: Have free electrons for conduction, so good conductors.

Answer:

nonmetals