Chemistry words 276-300
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| A material composed of two or more substances each of which retains its own characteristic properties. | Mixture
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| A material which slows down neutrons. | Moderator
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| A solution containing one mole of solute per 1,000 grams of solvent. | Molal Solution
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| The concentration of a solution expressed in moles of solute per 1,000 grams of solvent. | Molality
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| The heat energy required to melt one mole of solid at its melting point. | Molar Heat of Fusion
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| The volume in liters of one mole of a gas at STP - 22.4 Liters. | Molar Volume
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| The concentration of a solution expressed in moles of solute per liter of solution. | Molarity
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| The amount of substance containing the Avagadro number of any kind of chemical unit. | Mole
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| The smallest chemical unit of a substance which is capable of stable independent existence. | Molecule
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| A molecule with symmetrically spaced like polar bonds and having a uniform exterior electron distribution. | Molecule, Nonpolar
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| A molecule containing one or more unsymmetrically arranged polar covalent bonds, and as a whole having regions of positive and negative charge. | Molecule, Polar
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| Consisting of one atom. | Monatomic
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| A crystalline system in which there are three unequal axes with one oblique intersection. | Monoclinic
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| A simple molecule, or single unit of a polymer. | Monomer
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| Referring to an acid capable of donating one proton per molecule. | Monoprotic
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| A carbohydrate which cannot be simplified by dilute acid hydrolysis. | Monosaccharide
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| A substance which, by combining with a dye, produces a fast color in a textile fiber. | Mordant
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| A mixture of lime, sand and water, which sets to a hard mass. | Mortar
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| The reaction between hydronium ions and hydroxide ions to form water. | Neutralization
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| A neutral particle found in the nucleus of an atom. It has about the same mass as a proton. | Neutron
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| An alloy of nickel, chromium, iron and manganese. | Nichrome
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| A compound of nitrogen and a less electronegative element. | Nitride
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| An alkyl derivative of hydrogen cyanide. | Nitrile
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| The process of converting elementary nitrogen into nitrogen compounds. | Nitrogen Fixation
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| A knob-like swelling on the roots of plants of the bean and pea family in which nitrogen-fixing bacteria grow. | Nodule
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