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elements & metals
elements, symbols, metals
| Term | Definition |
|---|---|
| Hydrogen | H |
| Sodium | Na |
| Potassium | K |
| Magnesium | Mg |
| Calcium | Ca |
| Iron | Fe |
| Fluorine | F |
| Chlorine | Cl |
| Helium | He |
| Neon | Ne |
| Uranium | U |
| Boron | B |
| C | Carbon |
| Si | Silicon |
| N | Nitrogen |
| P | Phosphorus |
| O | Oxygen |
| Hg | Mercury |
| malleable | a term used to describe a material that can be pounded into shapes (Ex: aluminum flattened into a sheet) |
| ductile | a term used to describe a material that can be pulled out into a long wire (Ex: copper, silver) |
| conductivity | the ability of an object to transfer electricity or heat to another object (Ex: copper wire in electrical circuits; a metal spoon in a pot of soup) |
| semiconductor | A material which conducts current under certain conditions (Ex: silicon used in computer chips) |
| reactivity | the ease and speed with which an element combines or reacts with other elements and compounds (alkaline metals are very reactive; noble gases are not) |