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vocab 276 - 300
| Question | Answer |
|---|---|
| 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 | that 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 STP --> 22.4 liter |
| molarity | the concentration of a solution expressed in moles of solute per liter of solution |
| mole | The amount of substance containing the avogadro number of any kind of chemical unit. |
| molecule | the smallest chemical unit of a substance which is capable of stable independent existence |
| molecule, polar | A molecule containing one or more unsymmetrically arranged polar covalent bonds are as a white having regions of positive and negative charge. |
| monoatomic | consisting of one atom |
| monoclinic | A crystalline system in which there are three unequal axes with one oblique intersection. |
| monomer | a simple molecule or a single unit of a polymer |
| monoprotic | referrring to an acid capable of donating one proton per molecule |
| monosacharide | a carbohydrate which cannot be simplified by dilate acid hydrolysis |
| mordant | a substance which by combining with a dye produces a fast color in textile filter. |
| Mortar | A mixture of linae, 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. |
| nitrogen fixation | the process of converting elementary nitrogen into nitrogen compounds. |
| nodule | a knob-hike swelling on the roots of plants of the bean and pea family in which nitrogen. fixing bacteria grow. |
| Nitrile | An alkyl derivative of hydrogen cyanide |
| molecule, Non polar | a molecule with symmetrically arranged polar covalent bonds, one as a white having regions of positive and negative charge. |
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