Reactivity & Chemical Bonding
Chemical Behavior & Oxidation States
Meitnerium exhibits chemical reactivity characteristic of the transition metal family, governed by an electronegativity of n/a and standard valence interactions.
Z = 109Transition Metal
Launch 3D Atom & Orbitals LabMeitnerium
Mt
Standard Atomic Mass: 278 u
Period 7Group 9D-Block
Chemical Specimen/Mt
Concentric Electron Shells7 Energy Levels
n=1: 2e⁻→
n=2: 8e⁻→
n=3: 18e⁻→
n=4: 32e⁻→
n=5: 32e⁻→
n=6: 15e⁻→
n=7: 2e⁻
Scientific Monograph • Transition Metal
3D Atom SimulatorMeitnerium (Mt) Scientific Profile
Meitnerium (Mt) is an element with atomic number 109, classified as a transition metal. Positioned in Period 7, Group 9, and D-block, its chemical and physical profile is defined by its electron configuration ([Rn]5f¹⁴6d⁷7s²) and periodic trends.
Interactive Virtual Labs Available for Meitnerium
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
[Rn]5f¹⁴6d⁷7s²
Electronegativity
n/a Pauling
Year Discovered
1982
Orbital Shells
7 Principal Levels
Orbital Block
d-block orbital
Group / Period
G: 9 • P: 7
Technological Utility
Industrial & Energy Applications
Meitnerium is utilized in industrial fabrication, materials engineering, electronic manufacturing, and advanced laboratory research based on its specific thermodynamic properties.
Biological Role
Biomedical Profile & Toxicity
Meitnerium 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 Meitnerium are synthesized through stellar nucleosynthesis and supernovae r-processes. On Earth, Meitnerium is concentrated in specific ore deposits or synthesized in nuclear accelerators.
Frequently Asked Questions about Meitnerium
Q
What are the key physical and atomic properties of Meitnerium?
Meitnerium (Mt) has an atomic number of 109 and a standard atomic mass of 278 u. It is positioned in Period 7, Group 9, in the D-block, and is classified within the Transition Metal category.
Q
What is the electron configuration of Meitnerium?
The ground-state electron configuration of Meitnerium is [Rn]5f¹⁴6d⁷7s². Its 109 electrons are distributed across 7 principal energy levels (2, 8, 18, 32, 32, 15, 2).
Q
Why does Meitnerium exhibit an electron configuration exception?
Meitnerium 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 Meitnerium?
Meitnerium is utilized in industrial fabrication, materials engineering, electronic manufacturing, and advanced laboratory research based on its specific thermodynamic properties.