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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neutralize the antacid. The active ingredient in Life Brand Milk of Magnesia is magnesium hydroxide (“Nonprescription Medicines and Products - Antacids and Acid Reducers”). Magnesium hydroxide is a strong base with a pH value of 12 (“Strong and Weak Acids and Bases and Their Salts”). A chemical equation to show the reaction between the active ingredient and hydrochloric acids would be: Magnesium Hydroxide + Hydrochloric Acid→ Magnesium Chloride + Water. As an equation it would be:
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Journal Analysis Title of the Research Author/s Journal Year of Publication Dissimilar material laser welding between magnnesium alloy AZ31B and aluminum alloy A5052-0 R. Borrisutthekul et al. Science and Technology of Advanced Materials 6 2005 Dissimilar Welding of Al and Mg alloys by FSW T. Morishige et al. MATERIALS TRANSACTIONS Vol. 49 2008 In Partial Fulfilment Of the Requirements for the Subject Industrial Materials and Process Submitted by: Submitted to:
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that if your drinking water look‚ smells and taste clean‚ that does not mean that there is nothing else it. Water also contains dissolved solids: •Sulfur •Calcium •Magnesium If water contains a lot of dissolved calcium and magnesium it is called hard water. But soft water contains less calcium and magnesium. Dissolved solids are just one factor that can affect water quality. Different ways how humans activities can affect water quality: People are part of the water cycle
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Rachel Bohnenberger Professor Van Doorn ENVS 150-002 2 March 2015 Water Quality Lab Report Introduction: When people are asked about how water is characterized‚ they usually will think of saltwater‚ freshwater‚ safe-to-drink freshwater‚ and tap water. Only a few people understand that water and its quality are characterized in several other ways beyond salt‚ fresh‚ and tap water. In 1967‚ the Water Quality Act‚ which was an amendment of the Federal Water Pollution Control Act‚ was passed. The
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Journal of Natural Sciences Research ISSN 2224-3186 (Paper) ISSN 2225-0921 (Online) Vol.2‚ No.4‚ 2012 www.iiste.org Study on the contents of bottled mineral water of various brands in Malaysia K.Kabilan1‚ K.Mughilan2‚ R.Sivaneswari3 Tunku Azizah National Primary School1‚2 Bandar Indera Mahkota‚ Kuantan‚ Pahang & No.15‚ Lorong IM 8/34‚ Taman Mahkota Putra3 Kuantan‚ Pahang‚ Malaysia *Email: kabilan2000@hotmail.com Abstract Mineral water has becomes very popular and is a necessity in the present
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dioxide and the calcium carbonate - Soap and detergents o Used as a base in soap and detergents. It is also used to make sodium phosphate and sodium silicate that act as builders - Softening hard water o The carbonate ions precipitate calcium and magnesium ions‚ this is why it is used in some soaps and detergents - Baking soda production o Sodium hydrogen carbonate or bicarbonate of soda is produced as a part of the process. o The sodium carbonate is dissolved to make a concentrated solution and
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95% ethanol X 0.1M cobalt (II) chloride hexahydrate dissolved in 95% ethanol X zinc X 1M hydrochloric acid solution X 0.1M copper (II) sulfate solution X 0.5M sodium hydrogen carbonate solution X 1M ammonia solution X magnesium X 1M sodium hydroxide solution X ammonium chloride Procedure: A. Be sure to always start with clean‚ dry test tubes‚ equipment‚ and tools. B. Put a label on each test tube. With a pencil‚ number each test tube from one to twelve
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Chemistry of Natural Waters Lab Report Lauren Braas Thursday November 12‚ 2009 Chemistry 111 Group members: Sheila Azutillo Markeisha Brown TA: Darlene Biziak Introduction Water is such an important substance needed by all living species for survival. Freshwater is needed for agriculture‚ hydroelectric power‚ and drinking water. The United States uses 9 X 1011 liters of freshwater everyday.1 Freshwater is not completely pure. Its composition is based on dissolved solutes ranging
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National Children`s Book Reading Day 2013 In accordance to the DepEd Memorandum a “National Children`s Book Day celebrated nationwide on July 16‚ 203. The celebration aims to develop and improve the capabilities‚ proficiency and competence of teachers‚librarians and students in storytelling and other reading-related activities. It undertakes various initiatives to promote children`s literature and reading. SBES celebrated National Children`s Book Reading Day with our Vice- Mayor
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