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