Ch.5 Terms
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each of the black spaces below before clicking
on it to display the answer.
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| Atom | the smallest particle of an element that still retains he properties of the element
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| Chemical Change | Change in the chemical composition of a substance, in which a new substance or substances are formed having properties different from the original
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| Chemical Properties | Those characteristics that can only be determined with a chemical reaction and that cause a chemical change in the identity of the substance
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| Chemistry | Science that deals with the composition, structures, and properties of matter, and how matter changes under different chemical conditions
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| Combustion | Rapid oxidation of any substance, accompanied by the production of the heat and light
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| Compound | combination of two or more atoms of different elements inited chemically with a fixed chemical composition, definite properties, and distinct properties
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| Compound Molecules | chemical combinations of two or more atoms of different elements
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| Emulsion | Mixture of two or more immiscible substances united with the aid of the binder or emulsifier
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| hydrogen | colorless, odorless, tasteless gas; the lightest element known
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| hydrogen peroxide | compound of hydrogen and oxigen; a colorless liquid with a characteristic odor and a slightly acid taste
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| Hydrophilic | Capable of combining with or attracting water
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| Immiscible | not capable of being mixed
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| inorganic chemistry | branch of chemistry dealing with compounds lacking carbon
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| lipophilic | Having an affinity or attraction to fat and oils
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| Matter | any substance that occupies space, has physical and chemical properties, and exist in the form of a solid, liquid, or gas
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| Miscible | capable of being mixed with another liquid in any proportion without seperating
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| mixture | combination of two or more substances united physically, not chemically, without a fixed composition and in any proportions
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| molecule | two or more atoms joined chemically
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| nitrogen | colorless, gaseous element found free in the air; constitutes about four-fifths of the air
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| oil-in-water emulsion | oil droplets suspended in a water base
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| Organic Chemistry | study of substances that contain carbon
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| Oxidation | chemical reaction that combines an element or compound with oxygen to produce an oxide
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| Oxidize | to combine or cause an element combine with oxygen
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| Oxidizing Agent | substance that releases oxygen
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| Oxygen | the most abundent element found both free and in compounds
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| pH | Relative degree of acidity and alkalinity of a substance without the formation of a new substance
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| Physical change | change n the form or physical properties of a substance without the formation of the new substance
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| Physical Properties | those characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the identity of the substance
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| Redox | contraction for the reduction-oxidation; chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
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| Reduction | the substance of the oxygen from, or the addition of hydrogen to, a substance
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| Solute | the dissolved substance in a solution
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| Solution | blended mixture of two or more solids, liquids, or gaseous substances
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| Solvent | substance, usually liquid, which dissolves another substance to form a solution, with no change in chemical composition
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| Surfactants | surface active agents; substance that act as a bridge to allow oil and water to mix, or emulsify
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| Suspension | state in which solid particles are distributed throughout a liquid medium
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| water | most abundant of all substances, comprising about 75 percent of the earth's surface and about 65 percent of the human body
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| water-in-oil emulsion | droplets of water suspended in oil base
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| element | the simplest form of matter; cannot be broken down into simpler substance without loss of identity
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| Elemental molecules | molecules that contain two ro more atoms of the same element that are untied chemically
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