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What are the characteristic properties of metals, nonmetals, and metalloids?

+4 votes
asked May 11, 2012 in General Chemistry by Gummmys ~Expert~ (1,104 points)
    

1 Answer

+3 votes

Metals are found on the lower left and middle parts of the periodic table and are characterized by:

1. being good conductors of heat and electricity

2. are malleable

3. are shiny, and tend to lose electron when they undergo chemical changes.

ie. Copper, Lead, Chromium

 

Nonmetals are found on upper right side of periodic table and are characterized by:

1. some being solid, while others are liquids or gas

2. poor conductors

3. tend to gain electrons during chemical changes

ie. Oxygen, Bromine, Sulphur

 

Metalloids are elements that lie on the Zig Zag diagnonal line that divides metals and nonmetals.  Metalloids display characteristics of both metals and nonmetals:

1. Most are semiconductors

ie. Silicon or Arsenic

answered May 12, 2012 by kirby ~Expert~ (3,015 points)

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