| A | B |
|---|
| ore | rock where useful metal is removed |
| reduction | process of removing oxygen from an ore |
| roasting | process where ore is heated in air to produce an oxide |
| alloy | material made fo a mixture of two or more metals |
| alkali metals | metals in group 1 of th periodic table |
| alkaline earth metals | metals in group 2 of the periodic table |
| corrosion | chemical change in a metal |
| plating | coating one metal with another |
| eletroplating | electric current is used to plate one metal with another |
