Periodic Information
1. Name and chemical symbol: Krypton; Kr
2. Atomic number: 36 3. Atomic mass: 84 amu 4. Chemical group: noble gas 5. Located: 4th period, group 18, block p 6. Protons: 36 Neutrons: 48 Electrons: 36 7. Electron configurations: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 8. Atomic radius: 88pm 9. Ionization energy: 1350.77 kJ mol-1 10. Electronegativity: 3 11. Physical properties: whitish/colorless, odorless, tasteless, gas 12. Boiling point: -153.415°C Melting point: -157.37°C 13. Valence electrons: 8 14. Common ions: none; wants to remain stable |