The Basics on Iodine
1. Element name and symbol:Iodine, I
2. Atomic Number: 53 3. Average Atomic Mass: 126.904 4. Number of protons, neutrons, and electrons: 53, 74, 53 5. Location on periodic table (Group, Period, Block): 17, 5, P 6. Chemical family: Halogen 7. Electron Configuration: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^5 8. Atomic radius: 140 pm 9. Ionization energy: 1008.4 kj/mol 10. Electronegativity value: 2.66 Paulings 11. Color, texture, and physical state at room temperature: gray as a solid, purple as a gas, solid. 12. Boiling point and melting point: 184°C (363°F) 113.5°C (236.3°F) 13. Valence electrons: 7 14. Common ions formed: -1/-3 |