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Chapter 5 - Cengage Learning
Chapter 5 - Cengage Learning

... rules you can name most any compound you will encounter in introductory chemistry. For example, all the charges for the common, simple cations and anions in Table 5.1 of your text come from their placement on the periodic table (see Chapter 4 if this is unfamiliar to you). Also, look at Table 5.2, t ...
Chemical Nomenclature
Chemical Nomenclature

Metal Complexes as Antimicrobial Agents
Metal Complexes as Antimicrobial Agents

... mechanism of action, which is distinct from those of well-known classes of antimicrobial agents to which many clinically relevant pathogens are now resistant. Due to the outbreak of infectious diseases caused by different pathogenic bacteria and the development of antibiotic resistance, researchers ...
Topic 15 notes - A
Topic 15 notes - A

... said to be bidentate. One unusual ligand, known as edta4-, can form 6 dative covalent bonds per ligand. It is thus said to be hexadentate. Ligands such as H2O, Cl- and CNform only one dative covalent bond per ligand and are said to be monodentate. With polydentate ligands it often appears that the c ...
Metal-Ligand Exchange Kinetics in Platinum and Ruthenium
Metal-Ligand Exchange Kinetics in Platinum and Ruthenium

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Nature of Molecules and Water

... – Nonpolar covalent bonds = equal sharing of electrons – Polar covalent bonds = unequal sharing of electrons • Polar molecules have significant amounts of O or N causing it to be polar (electrically charged) and mix readily with water • Nonpolar molecules have little to no O or N causing it to be no ...
chapter 7-Chemical Bonding
chapter 7-Chemical Bonding

... • Na+ sodium ion, Ca2+, Al3+ -- cations • Cl- chloride ion, O2-, N3- -- anions ...
Quantitative Chemical Analysis 7e
Quantitative Chemical Analysis 7e

... 12-1 Metal-Chelate complexes • Metal ions are Lewis acids, accepting electrons pairs from electron-donating ligands that are Lewis bases. • Monodentate ligand: binds to a metal ion through only one atom. • Multidentate ligand: attaches to a metal ion through more than one ligand atom, also known as ...
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Synthesis [UO (HMBUD)] ,[UO

... FT-IR andTG techniques.The synthesized compounds have been screened for antimicrobial activity. The results of antitumor activity show that the metal complexes exhibit antitumor properties and it is important to note that they show enhanced inhibitory activity compared to the parent ligand. It has a ...
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No Slide Title

... • Cu is called the reducing agent because it caused Ag+ to be reduced; and Ag+ is called the oxidizing agent because it caused Cu to be oxidized. ...
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in pursuit of a trans-chelating diphosphine
in pursuit of a trans-chelating diphosphine

... It was necessary for the refluxes in this experiment to happen under an atmosphere of N2 because O2 reacts with molybdenum to form unwanted crystalline product. To allow the entire system to be flushed of oxygen, N2 was initially allowed to flow through the set up with the reaction flask stopcock a ...
Section 3.6
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... (b) These metals have very different magnetic properties, which could be used to separate them. (c) A magnet should separate these coins easily, because nickel is ferromagnetic (strongly magnetic) and silver is not. 17. ESR spectroscopy places samples of paramagnetic material in a high uniform magne ...
Section A
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... Rationale: better radial extension for the d orbitals and a better energy match with C 2s and 2p orbitals (the latter reaches a maximum latter for groups 6-8). ...
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... Hydrolysis involves further chemical reaction of hydrated ions with the solvent (water). Metal ions in aqueous solution behave as Lewis acids. The positive charge on the metal ion draws electron density from the O-H bond in the water. This increases the bond's polarity making it easier to break. Whe ...
Bond Order and Chemical Properties of BF, CO
Bond Order and Chemical Properties of BF, CO

7.4 Acids and bases
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... ions. Some acids will ionise completely and 100% of their hydrogens become ions. These are called strong acids. In a solution of strong acid there is no acid molecules only ions. Weak acids do not ionise completely. As a result acid molecules as well as ions will be in a weak acid solution. Strong b ...
Chapter 12
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... –With an increased number of C atoms, there is an exponentially increased number of isomers •Constitutional - same molecular formula, different structural formula; differ in connectivity of atoms –Ex. C4H10 butane ; isobutane Alkyl Groups & IUPAC names Use the following rules to properly name hydroc ...
Chapter 2 2012
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... atoms in a compound. The molecular formula of a compound specifies the number of each kind of atom present in a single molecular unit of a compound. • The number of atoms of each element is written as a subscript; when only a one atom of an element is present, the subscript is dropped. • In the case ...
Document
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... •Coordination Number - the number of ligand atoms that are bonded directly to the central metal ion. The coordination number is specific for a given metal ion in a particular oxidation state and compound. •Geometry - the geometry (shape) of a complex ion depends on the coordination number and nature ...
The rôle of metals in amyloid aggregation. Experiments and
The rôle of metals in amyloid aggregation. Experiments and

... a lot of interest from the scientific community. In particular there are indications that the two ions may play opposite functions, with Cu having an inhibitory effect on the Zn induced aggregation propensity [7]. ...
CHEMISTRY
CHEMISTRY

... Some atoms achieve a ______________ electron structure by sharing electrons with another element. The mutual attraction that each atom has for the shared electrons is called a ___________________. One covalent bond consists of 2 shared electrons. Generally, covalent bonds exist between _____________ ...
Chapter 3 Molecules, Compounds, and Chemical Equations
Chapter 3 Molecules, Compounds, and Chemical Equations

Selected applications to organic synthesis of intramolecular C
Selected applications to organic synthesis of intramolecular C

... In this latter reaction partial or total dealkylation of the NMe2 group occurs. In a related reaction it was possible to detect the presence of Me1 together with amounts of CH4 (ref. 49. Whereas the former compound can be rationnalised by a S N type ~ of addition of I- onto a NMe unit of an organic ...
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Coordination complex



In chemistry, a coordination complex or metal complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents. Many metal-containing compounds, especially those of transition metals, are coordination complexes.
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