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Chem 101
Quiz 2.4, 3.6, 6.2
| Term | Definition |
|---|---|
| Periods | Seven horizontal rows |
| Groups | Eighteen vertical column |
| Metals | Elements that are shiny, malleable, good conductors of heat and electricity |
| Metalloids | Elements that conduct heat and electricity moderately well, and possess some properties of metals and some properties of nonmetals |
| Nonmetals | Elements that appear dull, poor conductors of heat and electricity |
| Main Group elements | 1, 2, and 13–18 |
| Transition Metals | Column 3-12 |
| Inner Transition Metals | In the two rows at the bottom of the table |
| Lanthanides | Top row elements |
| Actinides | Bottom row elements |
| Alkali metals | Group one (except Hydrogen) |
| Alkaline earth metals | Group 2 |
| Pnictogens | Group 15 |
| Chalcogens | Group 16 |
| Halogens | Group 17 |
| Noble gases | Group 18 |