Across
- 4. Columns on the periodic table - there are 18
- 7. A one or two letter symbol that represents an element
- 8. Solid at room temperature, lustrous, not malleable and better conductors than nonmetals
Down
- 1. Rows of the periodic table - there are 7
- 2. Most are gases, very dull, poor conductors, not malleable or ductile
- 3. Solid at room temperature (except mercury), lustrous, conductors, malleable and ductile
- 5. To be repeated in pattern
- 6. A pure substance made of only one type of atom. There are 118 elements