| A | B |
|---|
| Malleable | Metals that can be hammered or rolled into sheets |
| Ductile | Metals that can be drawn into water |
| Metallic Bonding | Positively charged metallic ions are surrounded by a "sea of electrons" |
| Radioactive Element | Breaks down and gives off particles, radiation, and large amounts of energy |
| Transition Elements | The elements in groups 3 and 12 of the periodic table, they are metals and have one or two electrons in their outer energy level; these metals are less active then those in groups 1 and 2 |
| Transuranium Element | Has an atomic number greater than 92 |
| Diatomic Molecule | Consists of two atoms of the same element |
| Sublimation | The process of a solid changing directly to a vapor without forming a liquid |
| Semiconductors | Substances that conduct an electric current under certain conditions |
| Allotropes | Are different forms of the same element having different molecular structures |
