Across
- 3. The only one liquid state metal at room temperature.
- 4. The element with the symbol : Fr
- 8. Vertical columns of periodic table called...
- 10. First element in the periodic table.
- 11. The most abundant gas in the air.
Down
- 1. An element which in 1A group of 2nd period.
- 2. An element which in 8A group of 3rd period.
- 5. A diamond is composed of.....element
- 6. An alkaline earth metal element in 4th period.
- 7. Latin name of Sodium which has a symbol (Na)
- 9. Horizontal rows of periodic table called....
- 12. An element with the symbol : Au