Across
- 4. Which is the most inert gas?
- 6. Which halogen is found in liquid state at room temperature?
- 8. What are the particles present in the nucleus known as?
- 9. Which alkali metal has the highest electronegativity?
Down
- 1. Which is the lightest element known till now?
- 2. What is group 17 called as?
- 3. While moving down a group, the metallic character ______?
- 5. The repeating patterns or trends in the properties of the periodic table
- 7. Which element has the highest ionization potential in the periodic table
