Reactivity & Chemical Bonding
Chemical Behavior & Oxidation States
Nitrogen exhibits chemical reactivity characteristic of the nonmetal family, governed by an electronegativity of 3.04 and standard valence interactions.
Z = 7Reactive Nonmetal
Launch 3D Atom & Orbitals LabNitrogen
N
Standard Atomic Mass: 14.007 u
Period 2Group 15P-Block
Chemical Specimen/N
Concentric Electron Shells2 Energy Levels
n=1: 2e⁻→
n=2: 5e⁻
Scientific Monograph • Reactive Nonmetal
3D Atom SimulatorNitrogen (N) Scientific Profile
Nitrogen (N) is an element with atomic number 7, classified as a nonmetal. Positioned in Period 2, Group 15, and P-block, its chemical and physical profile is defined by its electron configuration ([He]2s²2p³) and periodic trends.
Interactive Virtual Labs Available for Nitrogen
3D Orbitals & Valence Lab
Simulate concentric quantum energy levels, observe valence electron spins, and examine live atomic clouds in full 3D.
Electronic Configuration Lab
Experiment with Aufbau subshell ordering, explore orbital occupancy, and analyze quantum configuration exceptions.
Electron Config
[He]2s²2p³
Electronegativity
3.04 Pauling
Year Discovered
1772
Orbital Shells
2 Principal Levels
Orbital Block
p-block orbital
Group / Period
G: 15 • P: 2
Technological Utility
Industrial & Energy Applications
Nitrogen is utilized in industrial fabrication, materials engineering, electronic manufacturing, and advanced laboratory research based on its specific thermodynamic properties.
Biological Role
Biomedical Profile & Toxicity
Nitrogen does not play a prominent biological role in human biochemistry, existing primarily as a trace element or mineral component in natural ecosystems.
Geochemistry & Abundance
Cosmic & Terrestrial Occurrence
Elements like Nitrogen are synthesized through stellar nucleosynthesis and supernovae r-processes. On Earth, Nitrogen is concentrated in specific ore deposits or synthesized in nuclear accelerators.
Frequently Asked Questions about Nitrogen
Q
What are the key physical and atomic properties of Nitrogen?
Nitrogen (N) has an atomic number of 7 and a standard atomic mass of 14.007 u. It is positioned in Period 2, Group 15, in the P-block, and is classified within the Reactive Nonmetal category.
Q
What is the electron configuration of Nitrogen?
The ground-state electron configuration of Nitrogen is [He]2s²2p³. Its 7 electrons are distributed across 2 principal energy levels (2, 5).
Q
Why does Nitrogen exhibit an electron configuration exception?
Nitrogen follows standard Aufbau principle orbital filling. Transition metals and heavy elements optimize their shell filling based on subshell exchange energy and electrostatic stability.
Q
What are the primary commercial and laboratory uses of Nitrogen?
Nitrogen is utilized in industrial fabrication, materials engineering, electronic manufacturing, and advanced laboratory research based on its specific thermodynamic properties.