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5.2 Chemistry
Vocabulary Words
| Question | Answer |
|---|---|
| period | row in a periodic table of element |
| group | column of elements in a periodic table |
| periodic law | pattern of repeating properties displayed by elements in the periodic table |
| atomic mass unit (amu) | one twelfth the mass of a carbon-12 atom |
| metals | elements that are god conductors of heat and electric current |
| transition metals | elements that form a bridge between elements on teh left and right sides of the periodic table |
| nonmetals | elements that are poor conductors of heat and electric current |
| metalloids | elements with properties that fall between those of metals and nonmetals |