Chemistry - Inorganic

| Class | Example | Property/Use | |-------|---------|---------------| | Coordination complexes | [Fe(CN)₆]⁴⁻, [Co(NH₃)₆]³⁺ | Color, magnetism, catalysis | | Metal oxides | TiO₂, Al₂O₃ | Pigments, abrasives, photocatalysis | | Salts | NaCl, KNO₃ | Electrolytes, fertilizers | | Intermetallics | Ni₃Al | High-temperature alloys | | Zeolites | Na₁₂(AlO₂)₁₂(SiO₂)₁₂·xH₂O | Molecular sieves, ion exchange |

(photovoltaics). It also plays a massive role in environmental science, specifically in developing cleaner energy and filtering pollutants from water.

The discipline is highly interdisciplinary and branches out into several cutting-edge fields: ⚙️ Organometallic Chemistry

Transition metals have partially filled , allowing them to form coordination complexes where a central metal ion is surrounded by molecules or ions called ligands . inorganic chemistry

| Branch | Focus | |--------|-------| | | Metal complexes with ligands (e.g., hemoglobin, vitamin B12). | | Organometallic Chemistry | Compounds with metal–carbon bonds (e.g., catalysts for polymer synthesis). | | Solid-State Chemistry | Structure and properties of crystalline materials (e.g., batteries, superconductors). | | Bioinorganic Chemistry | Role of metals in biological systems (e.g., iron in oxygen transport, zinc in enzymes). | | Main Group Chemistry | Chemistry of groups 1, 2, and 13–18 elements (e.g., silicon, phosphorus, sulfur). | | Nuclear & Radiochemistry | Radioactive elements and their applications (e.g., medical imaging, power generation). |

of molecules (like why liquid oxygen is attracted to a magnet). The intense colors of transition metal complexes.

describes how the electrostatic field of surrounding ligands breaks the degeneracy (equal energy) of the metal's d-orbitals. | Branch | Focus | |--------|-------| | |

Using Metal-Organic Frameworks (MOFs)—porous inorganic structures—to "sponge up" CO2 from the atmosphere.

How metal ions (like the iron in your blood) function within living organisms. 2. Key Concepts Coordination Compounds:

While organic chemistry focuses on the "molecules of life," inorganic chemistry powers the physical world | | Bioinorganic Chemistry | Role of metals

This field dissolves the barrier between biology and chemistry. It studies the role of metals in biological systems. While life is organic, it cannot function without inorganic helpers. Hemoglobin, the protein that carries oxygen in our blood, is an inorganic complex centered around an iron ion. Photosynthesis relies on a manganese cluster, and the enzymes that repair our DNA often require zinc or magnesium. Bioinorganic chemistry explores how life has evolved to harness the catalytic power of metals.

Sitting at the intersection of organic and inorganic chemistry, this discipline deals with compounds containing metal-carbon bonds. This field revolutionized the chemical industry. The discovery of ferrocene (an iron atom sandwiched between two carbon rings) in the 1950s sparked a renaissance in the field. Today, organometallic catalysts are essential for producing plastics, pharmaceuticals, and agrochemicals.