PPT-Metals – Outcomes

HL Locate the alkali metals on the periodic table HL Describe the properties of the alkali metals HL Describe the reactions of the alkali metals with air HL Describe the reactions of the alkali metals with water using word equations. Global markets remain weak following the global 64257nancial crisis commodity prices have fallen and shareholders are pushing for leaner operations and greater returns on investment At the same time the stakeholder landscape for mining and metals co 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. . The abundance of the metals in the Earth's surface varies greatly.. Only metals that occur in concentrated deposits - called ores - are economically valuable.. About 23,000 kg of materials are extracted from the surface and processed per person in our country each year.. 20. th. century building materials. Pre-20. th. century metal use. The 20th century has seen the rapid expansion of the number of . metal blends . used in the building process, both in the structural components and as decorative elements.. Metals. Look at the Periodic Table…. 75% of elements are metals!. Metals. They can vary a lot…. General Properties of Metals. Dense. Malleable. Ductile. Good conductors of heat and electricity. Shiny Lustre. Metals. In the Construction Industry we use metals in the many areas such as;. Structural. Claddings. Architectural Systems. Building Service. Metals. Metals that are commonly used in the Construction Industry are;. 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. Corrosion. Corrosion-An . oxidization. of a metal, and the oxide flaking off.. Oxidized metal is commonly called rust. Most commonly oxygen will oxidize a metal.. Either by . [Metal] + O. 2. . → . 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). Junior Science. 1. Recognising . chemical and physical change. Physical changes . are . reversible and does . not produce a new substance. Changes in state . (. melting, freezing, vaporization, condensation, sublimation. Elements in Group 1 are called . alkali metals. . lithium, sodium, potassium, rubidium, cesium, and francium . • Alkali metals are so named because they are metals that react with water to make alkaline solutions. . 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. 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 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.