52
Te
Tellurium
127.60 | 2
8
18
18
6
|
52
Te
Tellurium
127.60 | 2
8
18
18
6
|
| General |
|---|
| Name | Tellurium | | Symbol | Te | | Number | 52 | | Chemical series | Metalloids | | Group / Period | 16 / 5 | | Block | p-block | | CAS registry number | 13494-80-9 |
| Physical properties |
|---|
| State | solid | | Density | 6.24 g/cm3 | | Melting point | 722.66 K (449.51°C, 841.12°F) | | Boiling point | 1261 K (988 °C, 1810 °F) | | Critical point | |
| Atomic properties |
|---|
| Atomic Weight | 127.60 g/mol | | Crystal structure | hexagonal | | Electronegativity | 2.10 | | Atomic radius | 140 pm | | Atomic radius (calculated) | 123 pm | | Electron configuration | [Kr] 5s2 4d10 5p4 | | Electrons per shell | 2, 8, 18, 18, 6 | | Number of protons | 52 | | Number of neutrons | 76 |
|
Iodine