Across
- 3. A vertical column of elements in the periodic table; elements in a group share chemical properties
- 5. An arrangement of the elements in order of their atomic numbers
- 7. A one-, two-, or three-letter abbreviation of the name of an element
- 8. An element that has properties of both metals and nonmetals
Down
- 1. The weighted average of the masses of all naturally occurring isotopes of element
- 2. An element that conducts heat electricity poorly
- 4. An element that is shiny and that conducts heat and electricity well
- 6. In chemistry, a horizontal row of elements in the periodic table