Result of Observation Chemical name and symbol Physical appearance Cation of the compound Flame color NaNO3Sodium nitrate Colourless crystal Na+ Yellowish Orange NaClSodium chloride Colorless crystal Cl+ Yellowish Orange LiNO3Lithium nitrate Colorless crystal Li+ Red BaNO3Barium nitrate White crystal Ba² Bright yellow‚ lime yellow Sr(NO3) 2Strontium nitrate White crystal Sr² Dark red Cu(NO3)2Cupric nitrate Blue crystal Cu² Green‚ bluish green. Ca(NO3) 2Calcium nitrate White crystal Ca² Redish
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atmosphere‚ and are isolated by fractional distillation of liquid air. | helium | 1s2 | neon | [He]2s22p6 | argon | [Ne]3s23p6 | * Transition Metals * Group 1B and 3B-8B * Incompletely filled d subshells * Readily produce cations * ductile and malleable‚ and conduct electricity and heat * exhibit several common oxidation states * Less predictable properties * 2B (Zinc‚ Mercury etc.)- neither representative elements nor transition metals * Transition metal
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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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applied logic to draw a picture of the homeopathic properties of all cations and anions using the periodic table and the compounds which they make. Scholten’s work is based on key concepts rather than the individual symptoms from a proving and in his book Homeopathy and Minerals he describes a process called ‘Group Analysis’. In group analysis all the common symptoms in a family of salts or cations‚ (such as potassium)‚ or anions (such as the carbonates‚ chlorides‚ phosphates and sulphates)‚ are
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each interaction to occur. Ion-ion forces only involve ions in mixtures of substances. Ion-ion forces can be either attractive (cation-anion) or repulsive (cation-cation/anion-anion) and the strength varies depending on charge and size. Ion-dipole forces occur in mixtures between ions and polar molecules. The anions gravitate toward positive regions of dipoles while the cations gravitate toward negative regions. With dipoles‚ the strength of the forces depends upon the polarity of the molecule (or charge
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metal b. alkaline earth metal c. transition metal d. nonmetal Stock system 5. The ______________________ of naming transition metal cations uses a Roman numeral in parentheses to indicate the numeric value of the ionic charge. 6. An older naming system uses the suffix -ous to name the cation with the lesser ______________________ charge‚ and the suffix -ic to name the cation with the greater ______________________ charge. 7. What is a major advantage of the Stock system over the old naming system? The
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List all of the cations used: Cobalt‚ Copper‚ Iron‚ Barium‚ Nickel List all of the anions used: Phosphate‚ Iodide‚ Sulfate‚ Chloride‚ Bicarbonate‚ Carbonate‚ Hydroxide Compare your results with the solubility rules and/or solubility table in your chemistry text. QUESTIONS: A - Do your results agree with your expectations from the solubility rules/table? Yes‚ I feel my results agreed with the expectations laid out in the rules and table from the lab. B - Which anions generally form
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Goals The main goal of this project is to learn how to identify the properties of an unknown ionic compound. In order to do this successfully the group has to use a variety of methods and run several tests on the unknown compound. By doing this the group will be able to identify the different chemical and physical properties of the compound that will help obtain the identity of the specific compound given. The group will devise two syntheses of the compound‚ and compare them for cost effectiveness
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known to improve CO2 solubility in other compounds such as polymers‚ for example‚ carbonyl groups and long alkyl chains with branching or ether linkages. Results show that ionic liquids containing increased fluoroalkyl chains on either the cation or anion do improve CO2 solubility when compared to less fluorinated ionic liquids previously studied. It was also found that it was possible to obtain similar‚ high levels of CO2 solubility in
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Unit 1 – Lesson 1 Chemistry Key Questions 1. Element Standard Notation # Of Electrons # Of Protons # Of Neutrons Sodium 23 11 Na 11 11 12 Chromium 24 Ca 26 26 27 ? Phosphorus 32 P 15 15 16 2. Fireworks; Which metals burn to produce these colours? Red – Lithium (Sr) Blue – Cesium (Cs) Pink – Potassium (K) Yellow/Green – Copper (Cu) Orange – Carbon (Ca) 3. Let’s say that the three bottles contain Fe(NO3)3‚ BaCl‚ and AgNO3. These are Iron (III) Nitrate‚ Barium Chloride
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