2. Formula: Ir Melting Point: 2410ºC Boiling Point: 4130ºC State: solid Electrical conductivity: conductor Magnetism: non magnetic

3. Formula: Xe Melting Point: -112ºC Boiling Point: -107ºC State: gas Electrical conductivity: insulator Magnetism: non magnetic

4. Formula: Se Melting Point: 217ºC Boiling Point: 685ºC State: solid Electrical conductivity: insulator Magnetism: non magnetic

5. Formula: P 4 Melting Point: 44ºC Boiling Point: 280ºC State: solid Electrical conductivity: insulator Magnetism: non magnetic

6. Formula: NH 3 Melting Point: -78ºC Boiling Point: -33ºC State: gas Electrical conductivity: insulator Magnetism: non magnetic

7. Formula: Ge Melting Point: 937ºC Boiling Point: 2830ºC State: solid Electrical conductivity: semi-conductor Magnetism: non magnetic

8. Formula: Nb Melting Point: 2476ºC Boiling Point: 4742ºC State: solid Electrical conductivity: conductor Magnetism: non magnetic

9. Formula: I 2 Melting Point: 114ºC Boiling Point: sublimes State: solid Electrical conductivity: insulator Magnetism: non magnetic

10. Formula: Rb Melting Point: 39ºC Boiling Point: 686ºC State: solid Electrical conductivity: conductor Magnetism: non magnetic

11. Formula: NaHCO 3 Melting Point: 270ºC Boiling Point: breaks apart State: solid Electrical conductivity: semi-conductor Magnetism: non magnetic

12. Formula: C Melting Point: 3652ºC Boiling Point: sublimes State: solid Electrical conductivity: conductor Magnetism: non magnetic