Fibroin is a fibrillar protein excreted by silkworms.
An allotrope of oxygen, consisting of 3 oxygen atoms.
A colourless gas with a typical odour, produced by dehydrating methanol.
The main participants in the battles of the Hungarian War of Independence were the Hungarian, the Imperial and the Russian soldiers.
A medieval castle in Hungary, built by King Louis I.
A triangular earth fortification, used by the leader of one of the old Hungarian tribes at the time of the Hungarian conquest.
The Pauline monastery was built for Hungarian hermit monks in 1225.
Log houses were a typical type of dwellings in Hungary in the Árpád era.
A solid, grey substance which sublimates when heated. Its solution in alcohol is called ´tincture of iodine´, it is a disinfectant.
A solid substance formed at low temperatures on the ocean floors of Earth by the high pressure.
The primary source of energy for living cells.
One of the isomers of butene.
Also known as chloroform, used as a solvent in laboratories, earlier as an anaesthetic.
An isomer of butane, a colourless, flammable gas.
It is produced by treating methane with chlorine gas and used as a solvent.
Build 3D shapes from unit cubes with the help of several views.
This animation demonstrates various groups of solids through examples.
One of the stereoisomers of D-glucose.
The sweetest type of sugar.
Alpha-D-glucose is one of the stereoisomers of glucoses, specifically the D-glucoses.