7 N 14.007
Nitrogen
diatomic nonmetal
Properties
- Atomic number
- 7
- Atomic mass
- 14.007 u
- Category
- diatomic nonmetal
- Group
- 15
- Period
- 2
- Block
- p-block
- State (room temp)
- Gas
- Outer-shell electrons
- 5
- Electronegativity
- 3.04 (Pauling)
- Density
- -
- Melting point
- -210 °C
- Boiling point
- -195.79 °C
Electron configuration
1s² 2s² 2p³
Noble-gas shorthand: [He] 2s² 2p³
Electrons per shell: 2, 5, which is 5 in the outermost shell.
Related: electron configuration, the Bohr model, valence electrons.
About Nitrogen
Nitrogen is a chemical element with symbol N and atomic number 7. It is the lightest pnictogen and at room temperature, it is a transparent, odorless diatomic gas. Nitrogen is a common element in the universe, estimated at about seventh in total abundance in the Milky Way and the Solar System.
- Discovered by Daniel Rutherford
- Named by Jean-Antoine Chaptal
- Appearance: colorless gas, liquid or solid
Nitrogen: frequently asked questions
- What is Nitrogen?
- Nitrogen (N) is the chemical element with atomic number 7. It is a nonmetal (diatomic nonmetal).
- What is the atomic number of Nitrogen?
- Nitrogen's atomic number is 7, which means every Nitrogen atom has 7 protons in its nucleus.
- What is the electron configuration of Nitrogen?
- The electron configuration of Nitrogen is 1s2 2s2 2p3 (noble-gas shorthand: [He] 2s2 2p3). Its electrons are arranged in shells of 2, 5, with 5 in the outermost shell.
- Is Nitrogen a metal or a nonmetal?
- Nitrogen is a nonmetal (diatomic nonmetal).
- What group and period is Nitrogen in?
- Nitrogen is in group 15 and period 2 of the periodic table.
- Is Nitrogen a solid, liquid, or gas?
- At room temperature, Nitrogen is a gas.
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.