7N14.007
Nitrogen
Reactive non-metal · element 7 · group 15, period 2
Quick facts
| Symbol | N |
|---|---|
| Atomic number | 7 |
| Relative atomic mass | 14.007 |
| Category | Reactive non-metal |
| Position | group 15, period 2 |
| State at 20 °C | Gas |
| Melting point | -210 °C |
| Boiling point | -195.8 °C |
| Density | 0.001 g/cm³ |
| Electronegativity | 3.04 |
| Electron configuration | [He] 2s2 2p3 |
About Nitrogen
Nitrogen has the symbol N and atomic number 7, which means every nitrogen atom has 7 protons in its nucleus and, in a neutral atom, 7 electrons. At room temperature it is a gas.
Non-metals are usually poor conductors of heat and electricity. They form covalent bonds with other non-metals and negative ions with metals.
It melts at -210 °C and boils at -195.8 °C.
Explore it
See where nitrogen sits, and drag the temperature slider to watch it melt and boil, on the interactive periodic table. Practise with quizzes on OmniEx.