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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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rlalonie28 rlalonie28
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11 years ago
I know you need to make three different diagrams but don't understand what is composed of an ionic bond vs. covalent bond vs. metalic bond - thanks for your help!
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#1
11 years ago
In an ionic bond, one atom loses electrons and the other gains electrons. The bond forms from the attractive forces between a positive and negative ion.

In a covalent bond, two atoms share electrons.

In a metallic bond, metal ions are spread out in an "electron sea."

Basically, your diagram should show positive and negative ions, and how the electrons are acting. For instance: in the metallic bond you could draw rows of, say, Na+ ions with a number of free electrons floating among them.

Hope that helps!
wrote...
#2
11 years ago
Drawing with text would be unsuitable in this situation so refer to the diagram(s).

(Metallic bonding)
http://www.bbc.co.uk/scotland/learning/bitesize/higher/chemistry/images/bonding_fig01.gif

(Covalent bonding)
http://media.tiscali.co.uk/images/feeds/hutchinson/ency/c00670.jpg

(Ionic bonding)
http://www.tutornext.com/system/files/u66/ionic_bonding.gif
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