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Metals and non-metal

QuestionAnswer
Name 3 physical properties of metals? Hard High density Conduct heat and electricity sonorous shiny malleable ductile high melting points
*What does malleable mean Can be hammered into different shapes
*Give an example of a metal that can be hammered into different shapes. Aluminium
*What does ductile mean? pulled into thin wires
*Give an example of a wire that can be pulled into different shapes copper
Name 2 metals that do not act like metals. The alkali metals mercury
Name 3 physical properties of non-metals. Usually liquids and gases poor heat and electrical conductors brittle (break easy)
Name a non-metal that act differently and say why carbon- graphite is a good conductor of electricity diamond is a tough substance
What are alloys a mixture of metals
Name 3 alloys and give their uses Bronze-medals Brass- instruments stainless steel- cutlery solder-soldering
what is bronze made from copper and tin
what is brass made from copper and zinc
what is stainless steel made from iron, chromium and nicklel
What is rusting? corrosion of iron
what is another name for rust? Iron oxide
what colour is rust? orange/brown
Put the following metals in order of reactivity in water? Zinc, Magnesium, Copper and Calcium Calcium, Magnesium, Zinc and Copper
Put the following metals in order of reactivity in acid Zinc, Calcium, Copper and Magnesium Calcium, Magnesium, Zinc and Copper
Name 3 ways to prevent rusting? Galvanising, painting, oiling, putting plastic on it