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Chem: Metals
chapter 23 in the science book.
| Question | Answer |
|---|---|
| Metals | chemical element that is malleable and ductile, usually solid, has a characteristic lustre, and is a good conductor of heat and electricity, e.g. copper or iron |
| Non-Metals | usually have the reverse properties of metals e.g poor conductors of heat and electricity. |
| Malleable | describes a metal or other substance that can be shaped or bent without breaking. |
| Ductile | able to be drawn out into wire or hammered into very thin sheets. |
| Sonorous | producing or possessing (transmitting?) sound. |
| Alloy | a mixture of metals. |
| Brass | ALLOY, copper and zinc. |
| Bronze | ALLOY, copper and tin. |
| Solder | ALLOY, lead and tin. |
| Mild Steel | ALLOY, iron and carbon. |
| Stainless Steel | ALLOY, iron, chromium and nickel. |
| Alnico | ALLOY, aluminium, nickel and cobalt. |
| Corrosion | an undesirable process whereby a metal changes to its oxide or some compound by combining with oxygen from air. |
| Rusting | the corrosion of iron. |
| Galvinising | coating iron with zinc to stop rusting. |
| Reactivity | how different metals react with water. |