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Hace 2 días · Chemistry is a physical science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions; it features an extensive vocabulary and a significant amount of jargon.
Hace 2 días · The 1871 periodic table constructed by Dmitri Mendeleev. The periodic table is one of the most potent icons in science, lying at the core of chemistry and embodying the most fundamental principles of the field. The history of chemistry represents a time span from ancient history to the present. By 1000 BC, civilizations used technologies that ...
He is perhaps best known as an author for his textbook Physical Chemistry, which is now in its 12th edition after the first was released in 1978. Andy Redman, head of books at the RSC, said that, ...
Hace 3 días · Physical. Pure platinum is a lustrous, ductile, and malleable, silver-white metal. Platinum is more ductile than gold, silver or copper, thus being the most ductile of pure metals, but it is less malleable than gold. Its physical characteristics and chemical stability make it useful for industrial applications.
Hace 2 días · Chemical symbols are the abbreviations used in chemistry, mainly for chemical elements; but also for functional groups, chemical compounds, and other entities. Element symbols for chemical elements, also known as atomic symbols, normally consist of one or two letters from the Latin alphabet and are written with the first letter ...
Hace 3 días · Bismuth. This article is about the chemical element. For other uses, see Bismuth (disambiguation). Bismuth is a chemical element; it has symbol Bi and atomic number 83. It is a post-transition metal and one of the pnictogens, with chemical properties resembling its lighter group 15 siblings arsenic and antimony.
Hace 2 días · Physical. Chemical. Atomic. Isotopes. Preparation and purification. See also. Notes. References. Bibliography. External links. Lawrencium is a synthetic chemical element; it has symbol Lr (formerly Lw) and atomic number 103.
