Question | Answer |
Absolute Zero | The lowest possible temperature, OK or -273.15 degrees Celsius. |
Accelerator | A substance that speeds up a chemical reaction by acting as a positive catalyst. |
Accuracy | The nearest of a measurement to its accepted value. |
Acid | (1) A substance which, when added to water, increases to hydronium-ion concentration
(2) A substance which gives up protons to another substance. |
Amino Acid | An organic compound characterized by the presence of an amino acid group on the same carbon atom. |
Acid Aqueous | A water solution having acid properties due to the nature of the solute present. |
Actinide Series | Rare earth elements of the seventh period following radium. |
Activity (Electromotive) Series | A table of metals or nonmetals arranged in order of descending activities. |
Addition | A reaction in which atoms are added to an unsaturated organic molecules. |
Aerosol | A suspensoid in which gas is the dispensing medium. |
Aldehyde | A compound which has a hydrocarbon group and one or more -CEO-H, formyl groups. |
Alcohol | A compound containing a hydrocarbon group and one or more -OH, hydroxyl groups. |
Alkadiene | A straight or branched chain hydrocarbon with two double covalent bonds between carbon atoms. |
Alkali | The hydroxide of a Group 1 metal. |
Alkane | A straight or branched chain hydrocarbon in which the carbon atoms are connected by only single covalent bonds. |
Alkene | A straight or branched chain hydrocarbon in which the carbon atoms are connected by a double bond. |
Alkyne | A straight or branched chain hydrocarbon in which two carbon atoms are connected by a triple bond. |
Allotrope | One of the two or more different forms or an element in the same physical state. |
Alloy | A material composed of two or more metals. |
Alluvial | Pertaining to soil, sand or gravel deposited by running water. |
Alpha Particle | A helium nucleus emitted from the nucleus of a radioactive element. |
Amalgam | An alloy of mercury with one or more other metals. |
Amorphous | A solid without crystalline structure. |
Amphoteric | A substance which can act as either an acid or a base. |
Analysis | The superation of a material into its component parts to determine its composition. |