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    Strontium Research Paper

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    the periodic table, Strontium. Its name comes from the town Strontian, Scotland where it was discovered. Strontium is a metal and belongs to the alkaline earth metals. “The alkaline earth elements are metallic elements found in the second group of the periodic table. All alkaline earth elements have an oxidation number of +2, making them very reactive. Because of their reactivity, the alkaline metals are not found free in nature” (Bentor). Being in period number five, Strontium has an atomic number

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    Benefits and Side Effects of Strontium

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    What is Strontium? Strontium (Sr) is a chemical element that is very similar to calcium. Although it is considered a trace element (a substance needed only in small amounts by the body to maintain health), it is actually an abundant chemical found in the soil, rocks as well as in seawater. This metal substance is silvery, soft, alkaline, and non-radioactive. It easily reacts with air and water, so in nature it often occurs combined with other elements or compounds to form more stable compounds

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    Humanity: Earth’s Infection

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    While Rachel Carson’s “The Obligation to Endure”, Christopher Kemp’s "Medieval Planet", and Jared Diamond’s “The Ends of the World as We Know Them” all cover subjects relating to environmental issues, each author goes about purveying his or her message in a different manner. Kemp’s New Scientist article explains humanity’s environmental effects by imagining a world in which we never existed and hypothesizing how it would look and function with our absence. Carson’s essay depicts a frightening reality

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    Strontium was discovered by Adair Crawford, an Irish chemist, in 1790 while studying the mineral witherite (BaCO3). When he mixed witherite with hydrochloric acid (HCl), he did not get the results he expected. He assumed that his sample of witherite was contaminated with an unknown mineral, a mineral he named strontianite (SrCO3). Strontium was first isolated by Sir Humphry Davy, an English chemist, in 1808 through the electrolysis of a mixture of strontium chloride (SrCl2) and mercuric oxide (HgO)

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    the planets existence and overall creation. The alkali earth element strontium occurs naturally but only in combination with other elements such as celestine and strontianite. It has similarities to other members in the alkali earth family. This element is stable in its original state, and not harmful to human health. Many sea creatures that have shells such as clams, crustaceans’, oysters, and coral contain strontium. Strontium-90 is a product from atomic testing in the atmosphere during the 50’s

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    complete mitochondrial DNA was done, linking the remains with one of his current living relatives. This also allowed for certain phenotypes such as hair colour, eye colour and in the future potentially height to be uncovered. Another example is the Strontium found within a tooth that builds up over a lifetime which can track a person’s movements and lineage. From these case studies and the scientific methods used, it is clear that Archaeological Sciences has enhanced the study of individuals as we know

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    concluded that our sample was a combination of cinnamon powder, baby powder and strontium. However getting to these results wasn't without its complications, the tests we used were subject to contamination from other tests, measurement errors and improper technique. While conducting the flame test we found our platinum rod had foreign metal salts on it which could possibly skew the results of the test making copper appear as strontium and vice versa. This made us need to conduct the test twice to get accurate

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    Flame Test Essay

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    that is produced when we expose the flame of the Bunsen burner to the different Carbonates (calcium, barium, potassium, copper, sodium, strontium). Aim: To determine the colour of different carbonates when exposed to a flame Materials: Bunsen burner Tripod Heat proof mat Evaporating dish (ceramic bowl) Carbonates (calcium, barium, potassium, copper, sodium, strontium) Hydrochloric acid Matches Note taking materials (pen, paper) Waste bucket Method: 1) First set up the Bunsen burner and put the tripod

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    Alkaline Metals

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    humanity and life as we know it. Without them, many things that we both love and need would be gone. These remarkably diverse yet very similar elements that make up the alkaline earth metals family are: Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba), and Radium (Ra). Although this family is often overshadowed by the infamous alkali metals, you will soon learn how spectacular and brilliant these metals really are and their value to human life. The alkaline earth metals are an

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    Beringa Burial

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    occurring isotopes of strontium, can identify the geological region based on the enamel and bone formation that occurred in childhood. (Ericson, 1985; Price et al., 1994a,b). Botanical and fauna evidence shows that the people living at Beringa ate beans, corn, squash, yams, llamas, guinea pigs (Tung, 2007b). They also ate high calcium plants, mollusks, fish and possibly seaweed, which

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