Szilassi polyhedron

This special concave polyhedron was named after a Hungarian mathematician.

Császár polyhedron

The Császár polyhedron is a nonconvex polyhedron with 14 triangular faces.

Copper sulfate (CuSO₄)

A compound of sulfur often used as a pesticide.

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

The magnificent palace was commissioned by Charles I of Hungary, it got its final shape...

Arginine

One of the twenty protein-building amino acids.

Haiduk (Hungarian soldiers of the 16th century)

István Bocskay created a successful army from former armed cattle herders in the 16th...

Wheel of fire

The defenders of Eger Castle invented a lethal weapon, a water wheel packed with...

Benedictine abbey (Tihany, Hungary)

The Benedictine abbey was founded by King Andrew I in 1055.

Comparison of hydrogen halides

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

White phosphorus (P₄)

One of the allotropes of phosphorus.

Sulfuric acid (H₂SO₄)

A colorless, viscous liquid, a highly corrosive, strong acid used in several industrial...

Permanganate ion (MnO₄⁻)

Potassium permanganate is used as a disinfectant.

Labor camp in Hungary (Recsk)

About 1,500 people were taken to the labor camp also known as ‘the Hungarian Gulag’...

Silver iodide (AgI)

A light yellow compound formed in the reaction of silver nitrate and potassium iodide.

Alpha-D-glucose (C₆H₁₂O₆)

Alpha-D-glucose is one of the stereoisomers of glucoses, specifically the D-glucoses.

Fibroin

Fibroin is a fibrillar protein excreted by silkworms.

Silver chloride (AgCl)

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

Hypochlorite ion (OCl⁻)

Hypochlorite ions are formed when water is disinfected with chlorine.

Amylose ((C₆H₁₀O₅)n)

A helical molecule consisting of alpha-D-glucose units. It is one of the basic components...

Sodium chloride (NaCl)

Common salt (or table salt) is one of the most important sodium compounds, indispensable...

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