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Metal and non metals

TermDefinition
Malleable Can be hammered or pressed into different shapes
Ductile Can be stretched into a wire
Sonorous Able to make a ringing sound
High Density Heavy for its size
High melting points Example: iron has a melting point of 1538 degrees Celsius
What is an alkali metal? Alkali metals are soft and have low densities
Do alkali metals have an exception to the properties of normal metals? Yes
What are the properties of metals? Hard and strong, Lustrous(Shiny), High melting points, high density, Sonorous, conduct electricity, conduct heat, ductile, malleable.
What is an alloy? An alloy is a mixture of metals. Example: Bronze
What is bronze a mixture of? Copper and tin
What are the uses of bronze? Statues and medals
What are the properties of non metals? Poor heat conductors, usually gases or solids at room temperature, brittle, poor electrical conductors, low melting points.
Insulator Cannot easily conduct heat or electricity. Eg. Rubber, paper, plastic, glass.
What is an exception for insulators? Carbon
What is corrosion? The deterioration of a material, usually metal or non metal, due to a chemical reaction.
Rusting The corrosion of iron when iron reacts to water and oxygen.
Created by: JGrehan
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