grow 3. Living things reproduce 4. Living things respond to stimuli 5. Living things use energy 6. Living things adapt to their environment A single celled organism‚ such as an Amoeba‚ has a short life because of the heavy work load and exposure to elements on all four of its sides. An Amoeba operates on one cell‚ so it is a lot of work and cannot get very big with just one cell. Any injury to the cell can result in immediate death to the fragile organism. Yet‚ it is still a life because it IS a cell
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paint used on toy cars‚ and secondly to determine what other elements‚ and in which quantities‚ were present. Two different digestion methods were followed‚ and both confirmed the presence of Ba and Fe‚ although the concentrations obtained by each method differed: higher values m/m% was obtained for all samples digested by HCl than for samples digested by acetic acid. INTRODUCTION Trace amounts of many natural occurring chemical elements such as sodium‚ magnesium and iron are needed for the proper
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The element I chose for this paper was Tin. Tin got its name because it is Anglo-Saxon‚ and the atomic symbol get its name from the Latin root Stannum. https://education.jlab.org/itselemental/ele050.html. What does Tin mean? Tin belongs to the carbon family https://www.britannica.com/science/tin. Tin consists of 50 Protons‚ 69 Neutrons and 50 electrons. (my citation for where i got this information is the periodic table you gave to us.) The atomic number of tin is 50 because the atomic number is
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Nalley Tungsten Paper Tungsten Tungsten is a gray-white metallic element that is stable and is very resistant to acids and bases. It does‚ however‚ oxidize in air‚ especially at higher temperatures Tungsten was discovered by Juan José and Fausto Elhuyar‚ Spanish chemists and brothers‚ in 1783 in samples of the mineral wolframite ((Fe‚ Mn)WO4). Tungsten was named from the Swedish words "tung sten" meaning "heavy stone." Tungsten ’s chemical symbol comes from its eariler‚ Germanic name‚ Wolfram. The name
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Materials & Methods: This aim of this experiment was to determine whether or not a chemical reaction occurred after the mixing of various chemicals. The evolution of a gas‚ the formation of precipitation‚ and the change of temperature or color are all indicative of a chemical reaction. It was assumed that a reaction did not take place if the mixture of chemicals exhibited none of these characteristics. Several precipitation‚ complex-ion formation‚ redox‚ and acid-base reactions were performed.
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Classes of Chemical Reactions Whenever a reaction takes place‚ energy is changed as well when the substances react chemically. Scientists have taken these changes in energy and generalized them. Scientists can take these generalizations and discover more about the nature and tendencies of matter. In this lab‚ the purpose was to perform seven reactions‚ write down their equations‚ and identify the type of reaction. In this lab report‚ several methods of displaying this information will be applied
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Products The products manufactured by Eastman Chemical Company are categorized in five key sectors. Defined by the end use of the products‚ these sectors provide a basic overview of the types of products produced. Included in the description of each sector is a brief summary of the type of consumer or industrial goods that utilize the products manufactured by Eastman.[5] Coatings‚ adhesives‚ specialty polymers and inks Utilizing raw materials including propane‚ ethane‚ butane‚ high sulfur coal
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- He was Swedish and gave the technique of chemical formula notations. He also proposed the law of constant proportions‚ which proved that inorganic substances are made of elements that are in constant proportion by weight. Marie Curie (1867 - 1934) - She was a Polish born chemist and physicist who later acquired French citizenship. She is renowned for her discoveries in the phenomenon of radioactivity. Marie Curie discovered the radioactive elements radium and polonium for which she was awarded
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one of the twenty-four elements on earth that are essential for life. It is vital in human metabolism; and if our magnesium levels are too high or too low‚ we could suffer from sleep disturbances. Magnesium is a very common element found on earth that is used for a lot of everyday items. Much of what we have today would not be possible without magnesium. Magnesium was originally discovered by Sir Humphry Davy in 1808‚ but some are not sure if he officially isolated the element. It was isolated substantially
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particles made of atoms. The atomic theory first had 5 points which were stated by John Dalton who came up with it. The first one was that all elements were made up of small units called atoms. The second one was that all atoms of a given element are identical to each other. Third‚ all the atoms were different from all the other atoms. Fourth‚ atoms of different elements combined together in equal numbers to form compounds. Fifth and final‚ atoms cannot be broken down‚ created or divided. John Dalton was
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