METAL PROPERTIES
What do we call metals that can carry electricity?
Conductive (good conductors)
What does “sonorous” mean?
It makes a ringing sound when hit
What is the symbol for iron?
Fe
What do we call a combination of two or more substances not chemically combined?
Mixture
What is a pure substance?
A substance made of only one type of particle
What property allows metals to be shiny?
Lustrous
Give one example of a metal that is sonorous.
Iron / Copper / Steel (any acceptable)
What is the symbol for copper?
Cu
What method is used to separate sand from water?
Filtration
Is air a pure substance or a mixture?
Mixture
What property allows metals to be hammered into sheets?
Malleability
Which property allows metals to be made into wires?
Ductility
What is the symbol for gold?
Au
What method is used to separate salt from water?
Evaporation
Is gold (Au) a pure substance or mixture?
Pure substance
What property allows metals to be stretched into wires?
Ductility
Which property allows metals to be shaped into thin sheets?
Malleability
What is the symbol for aluminium?
Al
What method is used to separate iron from sand?
Magnetism (using a magnet)
What is an alloy?
A mixture of metals (or metal + other element)
Why are metals used in electrical wires?
Because they are good conductors of electricity and are ductile
Which two properties make metals useful for cooking pots?
Conductivity and malleability
Which element has the symbol Ag?
Silver
Why can mixtures be separated easily?
Because substances are not chemically combined
Why are alloys often stronger than pure metals?
Because mixing elements improves strength and properties