An isomer of butane, a colourless, flammable gas.
Also known as chloroform, used as a solvent in laboratories, earlier as an anaesthetic.
The simplest aldose, an optically active compound.
Halogen elements are a group in the periodic table consisting of five chemically related elements, fluorine, chlorine, bromine, iodine, and astatine.
One of the allotropes of phosphorus.
Atoms within hydrogen halides are bound by covalent bonds, forming polar molecules.
A non-polar amino acid. L and D molecules are mirror images of each other.
Clothing reflects the lifestyle and culture of the region's inhabitants.
A colourless, odourless gas, an important component of the atmosphere, indispensable to sustain terrestrial life.
A colourless, odourless, non-reactive gas, it constitutes 78.1% of Earth´s atmosphere.
Colourless, odourless, heavier-than-air gas. Necessary for the photosynthesis of plants.
Colourless, odourless gas, highly toxic to humans and animals in high concentration.