"Cations and anions" Essays and Research Papers

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    Chem experiments

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    UTAR FHSC1134 Inorganic Chemistry Trimester 3 Experiment 1 ________________________________________________________________________ Title: Investigating the Properties of Period 3 Oxides Aim: To examine the oxides of Period 3 elements and describe their structure and bonding. Introduction: Generally‚ there are oxides of metals and non-metals. Metals burn in oxygen to form basic oxides while non-metals form acidic oxides. Structurally‚ they are covalent or ionic compounds. You are to

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    Intravascular (plasma) ii. Interstitial iii. Transcellular D. Electrolytes a. Substances whose molecules dissociate into ions (charged particles) when placed into water i. Ions: charged particles ii. Cations: positively charged iii. Anion: Negatively

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          IONIC BONDING Exist between Metal + Non metal Formed by the transferring of electrons from metal atom to non metal atom Formation of oppositely charged cation and anion → the two ions held together by strong electrostatic force (ionic bond) Metal loses its valence e → cation Non – metal gains e → anion Eg : Formation of NaCl‚ MgBr2 1.2.1 PROPERTIES OF IONIC COMPOUNDS      The ions occupy fixed positions in the ionic lattice They can conduct electricity (in

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    Chemical Bonds

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    compose atoms. Chemical bonds can be broadly classified into two types: Ionic and Covalent. Ionic: metal & nonmetal Metals have a tendency to lose electrons and nonmetals have a tendency to gain them. The metal atom becomes a cation and a nonmetal becomes an anion. The oppositely charged ions attract one another and form an ionic compound Covalent: nonmetal & nonmetal Covalent bonds are shared; Ionic bonds are distributed Covalent bonds are stronger than Ionic bonds Ionic Compounds:

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    Fluids and Electrolytes

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    sweat‚ urine‚ pleural‚ peritoneal‚ pericardial and intraocular fluids. 2. Discuss the function of the following electrolytes within the body and identify the normal ranges: * Sodium: Na+ 136- 145 mmol/L: sodium is the most abundant ECF ion (cation- positively charged ion)(90%) and is responsible for the osmotic balance of the ECF space by regulating osmotic forces and therefore regulating water balance (interstitial and intravascular fluid volume). Other function include: working with potassium

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    Chemistry: Flame Test Lab

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    Chemistry 02 Oct 2014 Flame Test Lab Purpose: To find out the unknown compound from known compounds and the color of the flame. Safety & Precautions: •Do not cross contaminate compounds. •Keep goggles on at all times when working on lab. •Long hair should be tied up to avoid being singed. Table of Observations Compound Flame Color Strontium Chloride strong dark orange red Strontium Nitrate bright orange Copper

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    Gravimetric Analysis

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    SINGAPORE POLYTECHNIC SCHOOL OF CHEMICAL & LIFE SCIENCES CP 4001: ANALYTICAL & PHYSICAL CHEMISTRY Experiment 4: Gravimetric Analysis Prepared for: Mr Goh Tong Hng Submitted by: Ng Hui Shan (0900931) DBS/FT/1A/02 26th May 2009 CONTENTS 1. Synopsis 3 2. Objectives 4 3. Theory 1. Experimental Procedure 4 2. Stoichiometric Calculation 7 4. Procedure 7 5. Results & calculations 1. Amount of

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    chemical symbols. Ionic compounds If the compound is ionic‚ then the name of the cation (usually metal) comes first‚ followed by the ’compound’ name of the anion. To find the compound name of an anion‚ replace the end of the element’s name with ’ide’. name of cation + name of anion‚ suffix ’ide’ E.g. NaCl: sodium‚ the cation‚ first‚ followed by chlorine changed with the suffix ’ide’ = sodium chloride If the anion is polyatomic and contains oxygen‚ then the suffix is

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    EXPERIMENT 5 Title: Conductivity of Strong Electrolytes Date: 16 August 2005 Objectives: ▪ To determine the relationship between the concentration and conductivity of various electrolytes ▪ To determine the conductivity at infinite dilution ▪ To determine the activity coefficients Theory: The resistance‚ R of a conductor with a similar cross section is proportional to the length (l) and inverse to the cross section area(A)‚ therefore; [pic]

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    chemistry report

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    take place without any physical alterations to be the ion exchange material. Ion exchangers are insoluble acids or bases which have salts which are insoluble‚ and this enables them to exchange either positively charged ions (cations exchanges) r negatively charged one (anion exchangers). Many natural substances such as proteins‚ cellulose‚ living cells and soil particles exhibit ion exchange properties which play an important role in the way they function in nature. Synthetic ion exchange material

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