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B2 Ch 3 Lesson 3
Metals
Term | Definition |
---|---|
Metal | A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity. |
Luster | The way a mineral reflects light from its surface. |
Malleable | A term used to describe material that can be hammered or rolled into flat sheets. |
Ductile | A term used to describe a material that can be pulled out into a long wire. |
Thermal Conductivity | The ability of an object to transfer heat. |
Electrical Conductivity | The ability of an object to carry electric current. |
Reactivity | The ease and speed with which an element combines, or reacts, with other elements and compounds. |
Corrosion | The gradual wearing away of a metal element due to a chemical reaction. |
Alkali Metal | An element in Group 1 of the periodic table. |
Alkaline Earth Metal | An element in Group 2 of the periodic table. |
Transition Metal | One of the elements in Groups 3 through 12 of the periodic table. |