| A | B |
| Metalloid | element with characteristics of metal and nonmetals |
| semiconductor | substance that can conduct electricity under certain conditions |
| alloy | susbstance made of a mixture of two or more substances |
| malleability | ability to be pounded or rolled into shapes |
| ductility | ablity to be pulled into thin wires |
| corrosion | gradual wearing away of a metal due to chemical reactions |
| diatomic molecule | molecule composed of two atoms |
| plasma | state of matter in which atoms are stripped of their electrons |
| nulear fusion | smaller nuclei combine into larger nuclei |
| In nuclear fusion this is released | large amounts of energy |