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If electricity flows through a material the material is said to conduct electricity In the following activity you can use batteries an aluminum foil wire and a light bulb from a flashlight to make an electricity conductor tester Materials 2 batterie. I really dont want to go again 2 Im always wrong and always right 3 I really think that the ones who are responsible for this 4 I fixed car 5 I didnt know would be so many people here 6 You mean not coming tonight 7 Robert was only friend 8 I 12 74 20 13 In the Matter of Disconnection of Electricity Supply against Section 56 and penalty under section 142 of the Electricity Act 2003 and Regulation 64 of Gujarat Electricity Regulatory Commission Conduct of Business Regulation 2005 and othe T’Keyah Driskell. &. Lyric Williams. I. ntroduction. In our PowerPoint Presentation, we will be explaining what alkaline earth metals are and some of their uses, reactions, properties, etc. . We will tell what the four metals in the group are, and their mass, density, and melting point are. . METAL CHEMISTRY. N4. CHEMISTRY. N5. CHEMISTRY. After completing this topic you should be able to : . OBTAINING METALS. State ores are naturally occurring compounds of . metals.. State . the less reactive metals, including gold, silver and copper, are found uncombined in the Earth’s crust and the more reactive metals have to be extracted from their ores. 30. th. April 2012. 1. Dubai continues to play an important role in the Gold trade. The Gold business, has witnessed very strong growth in Dubai over the past decade. World supply of gold in 2011 was ~ 4000 . Why are metals used to make these items?. Properties of metals . What property of metals is being . utalised. in the images on the previous slide?. Fishing sinker. Cooking pot. Electrical wires. Bread ties. Anthony Cosimano. Elements on the lower periodic table found in the earth’s crust. A few of these elements are used heavily in the production of technologically advanced goods. Such as.... Smart phones. An Australian perspective. Dr Roger Skirrow. Resources Division, Geoscience . Australia. Four Mile uranium deposit, SA. Your mobile phone contains over 50 elements*. (http://news.cnet.com/2300-1041_3-6244920-16.html). Jill Johnston, PhD. University of Southern California. SoCal Environmental Health Sciences Center. Based at USC Division of Environmental Health. Focus on the impact of pollution (traffic) effect health and disease in populations. Patel Sikora. What are Alkali Metals?. The alkali metals are located in Group 1 of the periodic table. They are a series of chemical elements which have similar trends and properties. Alkali metals are so called because when they react with water alkalis (strong bases that can neutralize acids) are formed.. grounding. electric current. circuit. resistor. Lesson 4 Splash. What is static electricity?. Lesson 4 a. How can electricity flow?. A circuit is formed when an electric current passes through an unbroken path of conductors. . Alkali Metals Electrostructure and reactivity Physical properties Summary activities Reactions Uses Contents H Rn Xe Kr Ar Ne Ra Ac Rf Db Sg Bh Hs Mt Ds Rg ? ? ? ? ? ? ? Ba La Hf Ta W Re Os Ir Pt Terms ConditionsRefining22HPMN 2 Customers Materials HPMNs laboratory analysis and the uncertainties thereof Customers estimate or projection of precious metal content in the Materials the estimated y Strength. – metals that are . strong. are used to make car bodies, bike frames, ships, planes etc. . Malleability. . (mouldable). – This means that that they can be . shaped by hammering or rolling.