Group 16 of the Periodic Table
Group 16 of the periodic table (Oxygen group (chalcogens)) has 6 elements: Oxygen, Sulfur, Selenium, Tellurium, Polonium and Livermorium. Elements in a group have a similar last electron shell, so they show similar chemical properties. Moving down a group, the number of shells and the atomic radius usually increase.
Element list
| Atomic no. | Symbol | Name | Atomic mass | Phase | Short configuration |
|---|---|---|---|---|---|
| 8 | O | Oxygen | 15.999 | Gas | [He] 2s² 2p⁴ |
| 16 | S | Sulfur | 32.06 | Solid | [Ne] 3s² 3p⁴ |
| 34 | Se | Selenium | 78.96 | Solid | [Ar] 3d¹⁰ 4s² 4p⁴ |
| 52 | Te | Tellurium | 127.6 | Solid | [Kr] 4d¹⁰ 5s² 5p⁴ |
| 84 | Po | Polonium | 209 | Solid | [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴ |
| 116 | Lv | Livermorium | 293 | Solid (a theoretical prediction) | [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴ |
Frequently asked questions
What are the group 16 elements of the periodic table?
The group 16 elements are Oxygen (O), Sulfur (S), Selenium (Se), Tellurium (Te), Polonium (Po) and Livermorium (Lv).
How many elements are in group 16?
Group 16 of the periodic table has 6 elements (excluding the lanthanides and actinides).