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  Chemistry By Akiv  Properties of metals  What are metals?   A metal is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well.  Physical state  Exception -mercury  Sodium and Potassium are soft and can easily be cut with a knife  Lustre  Metallic lustre  Lustre is the way light interacts and reflects off of a surface
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