Reactivity & Chemical Bonding
Chemical Behavior & Oxidation States
Manganese exhibits chemical reactivity characteristic of the transition metal family, governed by an electronegativity of 1.55 and standard valence interactions.
Z = 25Transition Metal
Launch 3D Atom & Orbitals LabManganese
Mn
Standard Atomic Mass: 54.938 u
Period 4Group 7D-Block
Chemical Specimen/Mn
Concentric Electron Shells4 Energy Levels
n=1: 2e⁻→
n=2: 8e⁻→
n=3: 13e⁻→
n=4: 2e⁻
Scientific Monograph • Transition Metal
3D Atom SimulatorManganese (Mn) Scientific Profile
Manganese (Mn) is an element with atomic number 25, classified as a transition metal. Positioned in Period 4, Group 7, and D-block, its chemical and physical profile is defined by its electron configuration ([Ar]3d⁵4s²) and periodic trends.
Interactive Virtual Labs Available for Manganese
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
[Ar]3d⁵4s²
Electronegativity
1.55 Pauling
Year Discovered
1774
Orbital Shells
4 Principal Levels
Orbital Block
d-block orbital
Group / Period
G: 7 • P: 4
Technological Utility
Industrial & Energy Applications
Manganese is utilized in industrial fabrication, materials engineering, electronic manufacturing, and advanced laboratory research based on its specific thermodynamic properties.
Biological Role
Biomedical Profile & Toxicity
Manganese 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 Manganese are synthesized through stellar nucleosynthesis and supernovae r-processes. On Earth, Manganese is concentrated in specific ore deposits or synthesized in nuclear accelerators.
Frequently Asked Questions about Manganese
Q
What are the key physical and atomic properties of Manganese?
Manganese (Mn) has an atomic number of 25 and a standard atomic mass of 54.938 u. It is positioned in Period 4, Group 7, in the D-block, and is classified within the Transition Metal category.
Q
What is the electron configuration of Manganese?
The ground-state electron configuration of Manganese is [Ar]3d⁵4s². Its 25 electrons are distributed across 4 principal energy levels (2, 8, 13, 2).
Q
Why does Manganese exhibit an electron configuration exception?
Manganese 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 Manganese?
Manganese is utilized in industrial fabrication, materials engineering, electronic manufacturing, and advanced laboratory research based on its specific thermodynamic properties.