PPT-Group I metals Trends

Group I metals Trends Melting and Boiling points Densities Reactivity Alkali Metal What is the trend in density The alkali metals generally become more dense going down the group but the trend is not perfect because potassium is less dense than sodium. 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. 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. Learning Outcomes. History of the idea of elements,. The contributions of the Greeks, Boyle, Davy and Moseley.. Greek Periodic Table. Robert Boyle. Element cannot be split up into simpler substances by chemical means. 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 . 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. Quick Starter. What connects these . photos. ?. s. how hint. s. how answer. Exploring Group 1. Quick Starter. s. how hint. s. how answer. Where does the colour in fireworks come from?. Hint. X. What connects these . 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.. REVISION. Elements are the simplest substances and consist of one type of atom.. They are arranged in the Periodic table in increasing atomic number.. NEW LEARNING. Grouping elements by bonding and structure – focus on Titanium. Periodic Table. Periodicity:. regular variations (or patterns) of properties with increasing atomic weight. Both chemical and physical properties vary in a periodic (repeating pattern).. Group:. vertical column of elements (“family”). Market Forecast Report 2017. Metals And Other Materials Price Trends . Thank you to our sponsor:. An Overview Of Material Pricing Trends. Once again this year, Lisa Reisman, executive editor of . Metal Miner. 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.