Ionic Bonds • bonding between a metal and non-metal or the bond between a positive ion and a negative ion forming a binary compound. • end in the suffix "ide" • Or bonding between a metal and a complex ion. Steps in writing formulas: • • • • Use a periodic table of elements and of ions. Write the symbol and charge of the cation first (positive ion) Write the symbol and charge of the anion next (negative ion) Use criss-cross rule to balance for an electrically neutral compound. Name Symbol and
Free Ion Sodium chloride Chlorine
Multiply Charged Ions Spectral Features Isotopic abundances High Mass Region –Brominated Sample The Nitrogen Rule Interpretation Strategy Logical Losses Illogical losses Fragmentation in API Rings and Insaturations Number of Carbons Cleavages –Ion Abundance Cleavages –Simple Mechanisms Electrospray Ionisation ESI Considerations APCI Considerations APPI Considerations LC-MS Structural Information Modes MS/MS Overview MS/MS Experiments Product Ion Scanning Overview Application Precursor Ion Scanning Overview
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naming ions. Cations formed from metal atoms have the same name as the metal. See a chart of common cations If - and ONLY if - a metal can form different cations‚ the positive charge is indicated by a Roman numeral in parentheses following the name of the metal. Fe+2 iron (II) Fe+3 iron (III) The names of monatomic anions are formed by replacing the ending of the name of the element with -ide. See a chart of common anions. Cl− chloride ion Br− bromide ion S−2 sulfide ion Polyatomic
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different ion in a given sample. This also analytical chemistry technique‚ this testing method uses many different tests to get a reaction that would link with different ions. Ions An Ion is an electrically charged particles that are formed when atoms are added or taken way. Metal atoms have positively charged ions and non-metal atoms have negatively charged ions. To work out how many ions a metal and non-metal should have is simple. Metals should have the same amount of charged ions as the group
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chemistry as well. The same year he became a Swiss citizen Coordination chemistry is the study of compounds formed between metal ions and other neutral or negatively charged molecules. When the complex is charged‚ it is stabilized by neighboring counter-ions. A coordination compound also called metal complex‚ which is a charged species consisting of metal ion bonded to one or more groups of molecules. The bonded molecules are called
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Conductivity of Ionic and Molecular Aqueous Solutions Abstract Aqueous solutions that have free ions have higher conductivity values than solutions with most molecules. The purpose of the experiment was to see if ionic strength of an aqueous solution determines its conductivity. We tested each compound by putting the conductivity probe into its aqueous solution. Then the computer would analyze the data and give us a conductivity value. After each solution was tested‚ we used deionized water
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Conclusion In this lab‚ chemical tests were used to check for the presence of calcium‚ chloride‚ and sulfate ions in water samples. To do this‚ the testers started with five samples: a reference‚ a sample of only the chemical being tested for‚ a control‚ distilled water‚ two home water samples‚ and a school water sample. To test for the ions in the water‚ a chemical that would react with the ion and create a precipitate was added. If the precipitate was not easily visible‚ a Tyndall test was performed
Free Ion Sodium chloride Sodium
compounds of life) while all other compounds are called inorganic compounds. Classification of Compounds: A. Binary Compounds 1. Metal and Non-metal Inorganic compounds composed of just two elements‚ metal cations (positive ions) and non-metal anions (negative ions). These are referred to as metal-nonmetal binary compounds. There are two types of metals‚ some metals form cations with only one charge (e.g.Na+‚ K+) while other cations form
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Table | Negative Ion (Anions) | Positive Ions (Cations) | Solubility ofCompounds | All negative ions are with | Alkali ions (Na) | Soluble | All negative ions are with | Hydrogen (H+) | Soluble | All negative ions are with | All positive ions | Soluble | Nitrate NO3- ions are with | All positive ions are | Soluble | Acetate CH COO- ions are 3with | All positive ions are | Soluble | Chloride‚ Cl-Bromide Br-Iodide I- | CuAll other positive ions | Low SolubilitySolubleSoluble
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In chemistry‚ an ionic compound is a chemical compound in which ions are held together in a lattice structure by ionic bonds. Usually‚ the positively charged portion consists of metal cations and the negatively charged portion is an anion or polyatomic ion. Ions in ionic compounds are held together by the electrostatic forcesbetween oppositely charged bodies. Ionic compounds have high melting and boiling points‚ and they are hard and very brittle. Ions can be single atoms‚ as the sodium and chlorine in common
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