PPT-METALS

Metals ferrous non ferrous alloys Ferrous metals  Ferrous metals including mild steel high carbon steel cast and wrought iron  Availability of stock forms such as sheet bar tube and angle . This instability is what drives the process of corrosion and it results from the fact that a refined metal is continually trying to revert to its natural state the mineral Some metals do this faster than others The Galvanic Series ranks corrosion te 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. . by Head of trade restrictions, . currency and export control . Sergey . Shklyaev. Precious metals and gemstones. 1. Federal law No 41-FZ dated March 26,. 1998 . on precious metals and gemstones. Gemstones. Chapter 4.10,4.11 and 5. Combining Elements. When we begin combining elements we make compounds.. Two types. Non-metal and metal. Non-metal and non-metal. Each type has unique physical and chemical properties. 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.. 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. 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. 15.1 General Properties of Transition Metals. 15.2 Complex Formation and the Shape of Complex Ions. 15.3 Coloured Ions. 15.4 Variable Oxidation States of Transition Elements. 15.5 Catalysis. 15.1 General Properties of Transition Metals. 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. . The elements in group 1, on the left of the periodic table, are called the. . alkali metals. .. These metals are all very . reactive which makes them different from other metals. lithium. sodium. potassium. 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.. MEERI PAS. Waste generation in . the . EU. Total waste quantities continue to increase in . most. . European . countries. . . In . 2014, the total waste generated in the EU-28 by all economic activities and households amounted to 2 503 million .