The mercuric ion

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• Ion — Cation and Anion redirect here. For the particle physics/quantum computing concept, see Anyon. For other uses, see Ion (disambiguation). Hydrogen atom (center) contains a single proton and a single electron. Removal of the electron gives a cation …   Wikipedia

• mercuric — Denoting a salt of mercury in which the ion of the metal is bivalent, as in corrosive sublimate, m. chloride, HgCl2; the mercurous chloride is calomel, HgCl. * * * mer·cu·ric (.)mər kyu̇(ə)r ik adj …   Medical dictionary

• ver|mil|ion — «vuhr MIHL yuhn», noun, adjective, verb. –n. 1. a bright red. 2. a) a bright red coloring matter consisting of mercuric sulfide; cinnabar. b) any one of various other bright red coloring matters. –adj. bright red; scarlet: »The black strokes of… …   Useful english dictionary

• dimercurion — The mercuric ion, Hg2+ …   Medical dictionary

• chemical indicator —       any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. An example is the substance called methyl yellow …   Universalium

• Claisen rearrangement — The Claisen rearrangement (not to be confused with the Claisen condensation) is a powerful carbon carbon bond forming chemical reaction discovered by Rainer Ludwig Claisen. The heating of an allyl vinyl ether will initiate a [3,3] sigmatropic… …   Wikipedia

• Transition metal — The term transition metal (sometimes also called a transition element) has two possible meanings: The IUPAC definition[1] states that a transition metal is an element whose atom has an incomplete d sub shell, or which can give rise to cations… …   Wikipedia

• Overman rearrangement — The Overman rearrangement is a chemical reaction that can be described as a Claisen rearrangement of allylic alcohols to give allylic trichloroacetamides through an imidate intermediate.[1][2][3] The Overman rearrangement was discovered in 1974… …   Wikipedia

• zinc group element — ▪ chemistry Introduction  any of the three metals that comprise Group 12 (IIb) of the periodic table of elements namely, zinc (Zn), cadmium (Cd), and mercury (Hg). (See Figure >.) They have properties in common, but they also differ in… …   Universalium

• human disease — Introduction       an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease       Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …   Universalium

• Chemistry: A Volatile History — is a 2010 BBC documentary on the history of chemistry presented by Jim Al Khalili. It was nominated for the 2010 British Academy Television Awards in the category Specialist Factual. Contents 1 Episode 1 – Discovering the Elements 1.1… …   Wikipedia