Frequently Asked Questions about Nitrogen
What is the atomic number of nitrogen?
Nitrogen has an atomic number of 7, meaning each atom contains 7 protons in its nucleus.
What is the atomic mass of nitrogen?
The standard atomic weight of nitrogen is 14.007 u (unified atomic mass units).
What category does nitrogen belong to?
Nitrogen is classified as a reactive nonmetal.
What is the state of nitrogen at room temperature?
Nitrogen is a gas at 20 °C (68 °F).
What is the melting point of nitrogen?
The melting point of nitrogen is -210 °C / 63.15 K.
What is the boiling point of nitrogen?
The boiling point of nitrogen is -195.79 °C / 77.36 K.
What is the density of nitrogen?
The density of nitrogen is 1.14e-3 g/cm³ (20°C).
What is the electronegativity of nitrogen?
Nitrogen has a Pauling electronegativity of 3.04.
What is the electron configuration of nitrogen?
The electron configuration of nitrogen is [He] 2s2 2p3.
What are the common oxidation states of nitrogen?
Nitrogen commonly exhibits the following oxidation states: −3, +3, +5.
When was nitrogen discovered?
Nitrogen was discovered in 1772 by Daniel Rutherford.
Is nitrogen radioactive?
Nitrogen is a stable element with no naturally occurring radioactive isotopes.
What is the biological role of nitrogen?
Essential for amino acids, proteins, DNA, and RNA.
What are the common uses of nitrogen?
Nitrogen is used for: Cryogenics; Food packaging; Fertilizer production; Protective atmospheres.
