- francium compounds
- Макаров: франций соединения
Универсальный англо-русский словарь. Академик.ру. 2011.
francium compounds
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Inorganic compounds by element — This page aims to list concisely all of the common inorganic and organometallic compounds of each element, whether or not they have an existing page. These are compounds that may warrant their own individual pages. Compounds are listed… … Wikipedia
Prices of elements and their compounds — This table lists the elements by their name and gives some recent historical prices for them and their commonly traded compounds. The first of the two price columns shows the price in US dollars per kg of the compound specified. The second shows… … Wikipedia
Alkali metal — Group → 1 ↓ Period 2 3 Li 3 … Wikipedia
Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr … Wikipedia
alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of … Wikipedia
chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements … Universalium
Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn … Wikipedia
Sodium — This article is about the chemical element. For the PlayStation Home game, see Sodium (PlayStation Home). neon ← sodium → magnesium Li ↑ Na ↓ K … Wikipedia
Copper — For other uses, see Copper (disambiguation) … Wikipedia
