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Chem Vocab 276-300

QuestionAnswer
Mixture A material composed of two or more substances each of which retains its own characteristic properties.
Moderator A material which slow down neutrons.
Molal solution A solution containing one mole of solute per 1000 grams of solvent.
Molality The concentration of a solution expressed in moles of solute per 1000 grams of solvent.
Molar heat of fusion The heat energy required to melt one mole of solid at its melting point.
Molar volume The volume in liters of one mole of a gas at SIP --> 22.4 liters.
Molarity The concentration of a solution expressed in moles of solute per liter of solution.
Mole The amount of substance containing the Avogardo number of any kind of chemical unit.
Molecule The smallest chemical unit of a substance which is capable of stable independent existence.
Molecule, nonpolar A molecule with symmetrically spaced like polar bonds and having a uniform exterior distribution.
Molecule, polar A molecule containing one or more unsymmetricallly arranged polar covalent bonds, and as a whole having regions of positive and negative charge.
Monatomic Consisting of one atom.
Monoclinic A crystalline system in which there are equal axes with one oblique intersection.
Monomer A simple molecule, or single unit of a polymer.
Monoprotic Referring to an acid capable of donating one proton per molecule.
Monosaccharide A carbohydrate which cannot be simplified by dilute acid hydrolysis.
Mordant A substance which, by combining with a dye, produces a fast color in a textile fiber.
Mortar A mixture of lime, sand and water, which sets to a hard mass.
Neutralization The reaction between hydronium ions and hydroxide ions to form water.
Neutron A neutral particle found in the nucleus of an atom. It has about the same mass as a proton.
Nichrome An alloy of nickel, chromium, iron and manganese.
Nitride A compound of nitrogen and a less electronegative element.
Nitrile An alkyl derivative of hydrogen cyanide.
Nitrogen fixation The process of converting elementary nitrogen into nitrogen compound.
Nodule A knob-like swelling on the roots of plants of the bean and pea family in which nitrogen-fixing bacteria grow.
Created by: nissaAPworld