Elements classified as Alkali Metals are very reactive metals that do not occur freely in nature. Alkali metals are soft‚ malleable‚ ductile‚ and are good conductors of heat and electricity. The Alkali Metals are: Lithium Sodium Potassium Rubidium Cesium Francium Elements classified as Alkaline Earth Metals The 6 elements classified as "Alkaline Earth Metals" are located in Group 2 elements of the Periodic Table. Elements classified as Alkaline Earth Metals are all found in the Earth’s
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NAME: ANSWER KEY PERIOD: __________ CHAPTER 6 PERIODIC TABLE HOMEWORK/PRACTICE PACKET HW#1 PERIODIC TABLE VOCABULARY Match the correct vocabulary term to each numbered statement. Write the letter of the correct term on the line. Column A a 1. The highest occupied s and p sublevels are partially filled. n 2. The highest occupied s sublevel and a nearby d sublevel contain electrons. m 3. metals having only 2 electrons in the highest occupied energy
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complete the experiments. Part One (Flame Test): 1. Create and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame: Barium-green Calcium-red Sodium-yellow Rubidium-purple Potassium-blue Lithium-pink 2. Identify each unknown from Part One of the lab and briefly explain why you identified each unknown as you did.: Unknown 1-yellow. I think it is Sodium because their flames were both yellow. Unknown 2-blue
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1. Create and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame Solution Name Color description 1 Barium Lime green 2 Calcium Red 3 Sodium Yellow 4 Rubidium Purple 5 6 Potassium Lithium Blue Pink Unknown 1 Sodium Yellow Unknown 2 Potassium Blue 2. Identify each unknown from Part One of the lab and briefly explain why you identified each unknown as you did. Unknown 1 was sodium because the flame was
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(Flame Test) 1. Create and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame. Solutions Names Known 1 Barium Known 2 Calcium Known 3 Sodium Known 4 Rubidium Known 5 Potassium Known 6 Lithium Unknown 1 Sodium Unknown 2 Potassium 2. Identify each unknown from Part One of the lab and briefly explain why you identified each unknown as you did. The first unknown from part one from this virtual lab is Sodium
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identify (or predict) which compounds are soluble or insoluble most chemistry texts contain solubility rules and tables. Basic Solubility Rules: A. Nitrates: All nitrate salts are soluble. B. Alkali metals: The salts of lithium‚ sodium‚ potassium‚ rubidium‚ and cesium are generally very soluble. C. Ammonium salts: Almost all ammonium salts are soluble. D. Sulfates: The sulfates of most common elements are soluble‚ except those of calcium‚ strontium‚ barium‚ and lead (II) ions. © 2010 Hands On Labs
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Amrita VISHWA VIDYAPEETHAM (University established u/s 3 of UGC Act 1956) Amrita Entrance Examination – Engineering PHYSICS‚ CHEMISTRY & MATHEMATICS Question booklet Version Code Question booklet no. Number of pages Number of questions Time 120 : 3 hrs Max. Marks : 360 Registration number Name of the candidate Signature of the candidate INSTRUCTIONS TO THE CANDIDATES GENERAL 1. Any malpractice or attempt to commit malpractice in the examination hall will lead
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Robert Bunsen was born on March 31‚ 1811 in Gottingen‚ Germany. He was the youngest of four sons. Robert started schooling in the city of Holzminden‚ and then studied chemistry at Gottingen. Bunsen was awarded his doctorate in 1830 for a dissertation on different kinds of hygrometer. He was only 19 at this point in his life. Following being awarded his doctorate‚ he immediately set off on extensive travels that took him through Germany and Paris and eventually to Vienna from 1830 to 1833. All of
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Naming Chemical Compounds PART A Name the following 1 S Sulfur 2 Sb Antimony 3 N2 Dinitrogen 4 PO43- Phosphate 5 Au Gold 6 Rb Rubidium 7 LiCl Lithium Cloride 8 AlBr3 Aluminum (III) Bromide 9 KMnO4 Potassium Manganate (VII) 10 Cu(OH)2 Copper (II) Hydroxide 11 FeSO4 Iron (II) Sulfate 12 NH4Cl Ammonium Chloride 13 ZnCO3 Zinc Carbonate 14 SnF2 Tin (II)Fluoride 15 MgSO4 Magnesium Sulfate 16 MnO2 Manganese (IV) Oxide 17 Ca3(PO4)2 Tricalcium Phosphate 18 NaOH Sodium Hydroxide
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spectra bands for each water sample. Use the Flame Spectra Chart and Symbol table below to identify the elements (metals) in the different water samples. Symbol | Name | Cd | Cadmium | Li | Lithium | Na | Sodium | K | Potassium | Rb | Rubidium | Cs | Cesium | Hg | Mercury | Ne | Neon | Sample | Number of Bands | Colors Present in Spectrum | Probable Elements In Sample | Spring Water Sample | 8 | Grey‚ aqua‚ yellow‚ red | Li‚ Cd | Bottled Water Sample | 2 | Yellow | Na |
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