Central Atom
| Formula / Notation | MLₙ |
|---|---|
| Also Known As | Central atom, donor atom recipient, coordination centre (in coordination compounds) |
What is Central Atom?
The central atom in a molecule or ion is the atom that is bonded to more atoms than any other, forming the core of the molecular structure. In Lewis structures and VSEPR theory, the central atom determines molecular geometry. For example, sulfur is the central atom in sulfate (SO₄²⁻) and carbon is the central atom in methane (CH₄).
Formula & Notation
Other Names / Synonyms: Central atom, donor atom recipient, coordination centre (in coordination compounds)
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
The central atom in a molecule or ion is the atom that is bonded to more atoms than any other, forming the core of the molecular structure. In Lewis structures and VSEPR theory, the central atom determines molecular geometry. For example, sulfur is the central atom in sulfate (SO₄²⁻) and carbon is the central atom in methane (CH₄).
Central atom identification is essential for applying VSEPR theory to predict molecular geometry, for naming coordination compounds (IUPAC), for determining oxidation states, and for designing catalysts where the active site is a central metal atom (e.g., in metalloenzymes and organometallic catalys…
The hazard of a compound is often dominated by the central atom: e.g., central Hg in organomercury compounds makes them highly neurotoxic; central Cr(VI) in chromates is carcinogenic. Central atom identity is key in toxicity assessment.
The formula or notation for Central Atom is: MLₙ