History of Metal

	Revision 11 . . (edit) August 18, 2001 11:30 pm by Koyaanis Qatsi
	Revision 10 . . August 17, 2001 5:47 pm by Chris Markides [*Changed the basic definition of a metal]
	Revision 9 . . August 17, 2001 8:33 am by Janet Davis [Copyediting]

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Difference (from prior major revision) (minor diff, author diff)

Changed: 1,2c1

A metal is any of a group of elements and alloys known for their ability to conduct electricity. See the periodic table.

A metal is an elemental substance known for its ability to conduct electricity and heat. See the periodic table.

Changed: 10c9

bronze,

aluminium,

Changed: 15c14

steel, and

titanium, and

Added: 16a16,17

A material that contains atoms of more than one metal is termed an alloy. Examples of alloys are steel (iron and carbon), brass (copper and zinc) and duralumin (aluminium and copper).