praseodymium organic 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

• List of inorganic compounds — Tentative listing related to this page, inorganic compounds by element (presently under construction), as well as . This list is not necessarily complete or up to date ndash; if you see an article that should be here but isn t (or one that… …   Wikipedia

• rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium

• Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …   Universalium

• Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …   Wikipedia

• Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …   Wikipedia

• Chlorine — This article is about the chemical element. For the bleach, see Sodium hypochlorite. For the upcoming film, see Chlorine (film). sulfur ← chlorine → argon F ↑ Cl ↓ Br …   Wikipedia

• Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …   Wikipedia

• Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P …   Wikipedia

• Berzelius, Jöns Jacob — ▪ Swedish chemist Introduction born August 20, 1779, near Linköping, Sweden died August 7, 1848, Stockholm  one of the founders of modern chemistry. He is especially noted for his determination of atomic weights (atomic weight), the development… …   Universalium

• Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …   Wikipedia