1. Iodine, I
2. Atomic Number~53 3. Atomic Mass~ 120.9 4. Halogen Family 5. Period 5, Group 17, P Block 6. Protons and Electrons~ 53 Neutrons~ 74 7.1s2,2s2,2p6,3s2,3p6,4s2,3pg,4s2,3d10, 4p6,5s2,4d10,5p5 8. Atomic Radius~ 140pm 9. Ionization Energy~ 1068.4 KJ Mole -1 10. Electronegativity~ 2.66 (Pauling Scale) 11. Physical Properties~ Brittle, Bumpy, Rock Like, Black, and non-metal 12. Melting Pt.~ 386.K Boiling Pt.~ 457.4K 13. Valence Electrons~ 7 14. Common Ions~ 10-, 10-3 |