Group 15 of the Periodic Table
Group 15 of the periodic table (Nitrogen group) has 6 elements: Nitrogen, Phosphorus, Arsenic, Antimony, Bismuth and Moscovium. 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 |
|---|---|---|---|---|---|
| 7 | N | Nitrogen | 14.007 | Gas | [He] 2s² 2p³ |
| 15 | P | Phosphorus | 30.974 | Solid | [Ne] 3s² 3p³ |
| 33 | As | Arsenic | 74.922 | Solid | [Ar] 3d¹⁰ 4s² 4p³ |
| 51 | Sb | Antimony | 121.76 | Solid | [Kr] 4d¹⁰ 5s² 5p³ |
| 83 | Bi | Bismuth | 208.98 | Solid | [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³ |
| 115 | Mc | Moscovium | 290 | Solid (a theoretical prediction) | [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³ |
Frequently asked questions
What are the group 15 elements of the periodic table?
The group 15 elements are Nitrogen (N), Phosphorus (P), Arsenic (As), Antimony (Sb), Bismuth (Bi) and Moscovium (Mc).
How many elements are in group 15?
Group 15 of the periodic table has 6 elements (excluding the lanthanides and actinides).