click below
click below
Normal Size Small Size show me how
Stack #1792118
| Term | Definition |
|---|---|
| Period | Each row in the table of elements |
| Group | Each column on the periodic table is called this |
| Periodic law | Pattern of repeating properties |
| Atomic mass unit | One twelfth the mass of a carbon |
| Metals | Elements that are good conductors of electric current and heat |
| Transition metals | Elements that from a bridge between the elements on the left and right sides of the table |
| Nonmetals | Elements that are poor conductors of heat |
| Metalloids | Properties that fall between those metals and nonmetals |
| Valence electron | Highest occupied energy level of an atom |
| Alkali metals | Group 1 A |
| Alkaline earth metals | Group 2 A |
| Halogens | Group 7 A |
| Noble gases | Group 8 A |