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Oxygen Family project

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eric hamilton

on 16 November 2012

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Transcript of Oxygen Family project

Polonium Family Characteristics Oxygen Sulfur All the elements in Group 6a have 6 valence electrons, therefore, they are unstable. Since the family only has 6 valence electrons they are able to combine with the beryllium family in nature. Three of the elements in the oxygen family are nonmetals, and the remaining two, tellurium and polonium, are metalloids. Selenium can be seen as a red or black amorphous, or a red or grey crystalline structure, which is its most stable structure. Selenium has properties much like Sulfur, although it is more metallic even though it is still classified as a nonmetal. Selenium also has photo conductivity, which means that in the presence of light the electrical conductivity of selenium increases. It is also used in the drums of laser printers and copiers. In large doses, this element is toxic. However, many animals need it as an essential micro nutrient. The Oxygen Family Oxygen is a gas at room temperature and is colorless, odorless, and tasteless. Oxygen is also the most abundant element. There are a wide variety of oxygen-containing compounds, both organic and inorganic, including oxides, peroxides and super oxides, alcohols or phenols, ether's, and carbonyl containing compounds such as aldehyde, ketones, esters, amides, carbonates, carboxylic acids and anhydrous. We need this element to live. Solid at room temperature, yellow, tasteless, and it smells like rotten eggs. It is the 16th most abundant element in the Earth’s crust. It exists in a variety of forms, including elemental sulfur, sulfides, sulfates, and organosulfur compounds. Sulfur is also help to make fertilizers. A very large variety of sulfur containing compounds exist. Many of them are organic. Sulfur is in use in gunpowder,matches,and fireworks. This is the metalloid of the oxygen family, with a silvery white color and a metallic luster similar to tin at room temperature. Like selenium, it also displays photoconductivity. Tellurium is an extremely rare element, but is sometimes found in gold. Also, Tellurium is used in solar panels and often computer chips. It is not toxic, but when humans get exposed to too much of it they develop a garlic-like breath. Tellurium Polonium is a very rare, radioactive metal. There are 33 different isotopes of the element and all of the isotopes are radioactive. It dissolves easily into dilute acids. Polonium does not exist in nature as a compound, but it can become a compound in a lab. It is also used in military weapons. Polonium is extremely toxic. The radiation it releases makes it extremely dangerous to handle. It can even cause cancer. Doctors still don't have a cure for those who have been contaminated. SELENIUM
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