Vocabulary
Across
- 1. the elements in group 1A of the periodic table, not including hydrogen
- 3. elements that are poor conductors of heat and electric current
- 7. the elements in group 8A of the periodic table
- 8. a row in a periodic table of elements
- 10. elements with properties that fall between those of metals and nonmetals
- 11. an electron that is in the highest occupied energy level of an atom
- 12. the elements in group 7A of the periodic table
Down
- 2. metals the elements in group 2A of the periodic table
- 4. elements that are good conductors of heat and electric current Transition metals - metals that form a bridge between elements on the left and right sides of the periodic table
- 5. a column of elements in a periodic table
- 6. an arrangement of elements in columns, based on a set of properties that repeat from row to row
- 9. the pattern of repeating properties displayed by elements in the periodic table Atomic mass unit (amu) - one twelfth the mass of a carbon-12 atom