Comparison of hydrogen halides

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

Alanine (C₃H₇NO₂)

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

Labour camp in Hungary (Recsk)

About 1,500 people were taken to the labour camp also known as ‘the Hungarian Gulag’ during the Rákosi era.

Medieval Royal Palace (Visegrád, Hungary, 15th century)

The magnificent palace was commissioned by Charles I of Hungary, it got its final shape during the reign of King Matthias Corvinus.

Valine

One of the 20 amino acids that make up proteins.

Methyl formate (C₂H₄O₂)

The ester of formic acid and methanol, an aroma compound found in certain fruits.

Proline

One of the 20 amino acids that make up proteins. Its amino group and the 3rd carbon atom of the side chain form a ring.

Isoleucine

One of the 20 amino acids that make up proteins.

Tryptophan

One of the 20 amino acids that make up proteins. It contains an aromatic ring as part of its side chain.

Recorder

The recorder is a woodwind musical instrument, a type of fipple flute.

Clothing (Western Europe, 1990s)

Clothing reflects the lifestyle and culture of the region's inhabitants.

Grouping of solids 3

This animation demonstrates various groups of solids through examples.

Medieval town in Central Europe

Narrow streets and colourful houses gave medieval towns a special atmosphere.

Threonine

One of the 20 amino acids that make up proteins.

Earth fortification, Hungary

A triangular earth fortification, used by the leader of one of the old Hungarian tribes at the time of the Hungarian conquest.

Ottoman Sultan (16th century)

The leader of the Ottoman Empire was the Sultan, the lord of life and death.

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