ChemCafe — science, chemistry and physics made simple

How to Differentiate Between Ionic and Covalent Bonds At its core, differentiating ionic from covalent bonds involves understanding how electrons are distributed between atoms. Ionic bonds form when electrons transfer...

Foods Containing Allicin Besides Garlic Allicin is primarily found in garlic but also occurs in several other plants within the genus Allium. These include onions, chives, scallions, and leeks, which...

An Actual CRC Handbook The CRC Handbook is a comprehensive chemical reference containing extensive data and tables, valued for its breadth despite occasional outdated values. It serves as a key...

Air as a Solution: Understanding Solvent and Solute in Gas Mixtures Air is not a solution in the strict chemical sense; rather, it is a mixture of gases. However, depending...

What’s the deal with Sigma-Aldrich? Sigma-Aldrich is a major supplier of chemicals and biochemical products globally, known for quality and reliability but also for high prices. It operates as the...

This is Geosmin, the Compound That Largely Contributes to the Smell of Rain Geosmin is the key compound responsible for the distinctive earthy scent often noticed when rain falls on...

Does Aluminium Absorb Harmful Chemicals? Aluminium surfaces can trap and absorb harmful chemicals due to microscopic scratches and pores. Containers previously exposed to chemicals may retain residues even after cleaning....

Not a Chemist, Trying to Avoid a Scam: Understanding Hypochlorous Acid vs. Bleach Hypochlorous acid (HOCl) and household bleach (sodium hypochlorite, NaClO) are chemically distinct substances with different properties, but...