Silicon dioxide (SiO₂)

A polymorphic compound, mostly found in the form of quartz.

D-ribose (C₅H₁₀O₅)

The open-chain version of ribose, which occurs naturally in nucleic acids, coenzymes, nucleotides and nucleosides.

Alanine (C₃H₇NO₂)

A non-polar amino acid. L and D molecules are mirror images of each other.

Comparison of hydrogen halides

Atoms within hydrogen halides are bound by covalent bonds, forming polar molecules.

Chlorine (Cl₂)

A yellow-green toxic gas with a strong odour, one of the halogens.

Silver chloride (AgCl)

A white, crystalline compound that breaks down when affected by light.

Bin lorries

Bin lorries play an important role in the life of towns and cities.

Benzene (C₆H₆)

Benzene is the simplest aromatic hydrocarbon.

2,2 dimethylpropane (C₅H₁₂)

Colourless, odourless gas used as a standard in NMR spectroscopy.

Pent-1-ene (C₅H₁₀)

A liquid with a characteristic unpleasant odour and a low boiling point.

Cis-2-butene (C₄H₈)

A colourless, heavier-than-air gas. Its geometric isomer is trans-2-butene.

Ethyne (acetylene) (C₂H₂)

The first member of the homologous series of alkyne hydrocarbons.

Nitrogen-dioxide (NO₂)

A reddish-brown toxic gas, very reactive due to its unpaired electron.

Hydrogen (H₂)

Colourless, odourless, lighter-than-air gas. The most common chemical element in the universe.

Hydrogen sulphide (H₂S)

A colourless, toxic gas with the characteristic odour of rotten eggs. It occurs in certain mineral waters and spring waters.

Added to your cart.