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Periodic Table
Parts of the Periodic Table
| Term | Definition |
|---|---|
| Alkali Metals | Group 1 |
| Alkaline Earth Metals | Group 2 |
| Transition Elements | Groups 3-12 |
| Halogens | Group 17 |
| Noble Gases | Group 18 |
| Metalloids | Elements along the "zig zag line", beginning under boron |
| Metals | Located on the left side of the table; most are conductors and solid at room temperatures |
| Nonmetals | Located on the right side of the table; most are not good conductors and are gases at room temperature |
| Lanthanides | Elements 57-71 |
| Actinides | Elements 89-103 |
| Hydrogen | The element that is placed with the metals on the periodic table but is a nonmetal |