Resultado de búsqueda
Hace 3 días · Jöns Jacob Berzelius. ... Robert Bunsen. ... Alfred Nobel. ... Linus Pauling. ... Dorothy Hodgkin.
Hace 1 día · Thorium was discovered in 1828 by the Norwegian amateur mineralogist Morten Thrane Esmark and identified by the Swedish chemist Jöns Jacob Berzelius, who named it after Thor, the Norse god of thunder. Its first applications were developed in the late 19th century.
Hace 3 días · Amorphous elemental silicon was first isolated and described as an element in 1824 by Jöns Jacob Berzelius, a Swedish chemist. Impure silicon had already been obtained in 1811. Crystalline elemental silicon was not prepared until 1854, when it was obtained as a product of electrolysis.
Hace 2 días · The standard chemical symbol for antimony (Sb) is credited to Jöns Jakob Berzelius, who derived the abbreviation from stibium. The ancient words for antimony mostly have, as their chief meaning, kohl, the sulfide of antimony. [citation needed] The Egyptians called antimony mśdmt: 230 : 541 or stm.
Hace 2 días · atom, the basic building block of all matter and chemistry. Atoms can combine with other atoms to form molecules but cannot be divided into smaller parts by ordinary chemical processes. Most of the atom is empty space. The rest consists of three basic types of subatomic particles: protons, neutrons, and electrons.
Hace 4 días · Discovered in 1803 by Swedish chemists Jöns Jakob Berzelius and Wilhelm Hisinger, cerium is a fascinating element that boasts a range of unique properties and applications. Let's dive into 18 fun facts about cerium and explore the remarkable characteristics that make it a standout element in the periodic table.
Hace 3 días · The importance of proteins was recognized by chemists in the early 19th century, including Swedish chemist Jöns Jacob Berzelius, who in 1838 coined the term protein, a word derived from the Greek prōteios, meaning “holding first place.”
