Term
|
Definition
| the building blocks of matter |
|
|
Term
|
Definition
|
|
Term
|
Definition
| positively charged particles |
|
|
Term
|
Definition
| particles that have no charge |
|
|
Term
|
Definition
| negatively charged particles that are located outside the nucleus |
|
|
Term
|
Definition
| a pure substance that cant be broken down into other substances by physical or chemical means |
|
|
Term
|
Definition
| atoms of the same element that have different numbers of neutrons |
|
|
Term
|
Definition
| a pure substance formed when two or more different elemtns combine |
|
|
Term
|
Definition
| the comical bond that forms when electrons are shared |
|
|
Term
|
Definition
| a compound in which the atoms are held together by covalent bonds |
|
|
Term
|
Definition
| an atom that has lost or gained one or more electrons becomes an ion and carries an electric charge |
|
|
Term
|
Definition
| an electrical attraction between two oppositely charged atoms |
|
|
Term
|
Definition
| when molecules come close together the attractive forces between these positive and negative regions pull on the molecules and hold them together |
|
|
Term
|
Definition
| the process by which atoms of groups of atoms in substances are reorganized into different substances |
|
|
Term
|
Definition
|
|
Term
|
Definition
| the substances formed during the reation |
|
|
Term
|
Definition
| the minimum amount of energy needed for reactants to foorms products in a chemical reaction |
|
|
Term
|
Definition
| a substnace that lowers the activation energy needed to start a chemical reaction |
|
|
Term
|
Definition
| biological catalysts that speed up the rate of chemical reactions in biological processes |
|
|
Term
|
Definition
| the reactants that bind to the enzyme |
|
|
Term
|
Definition
| the specific location where a substrate binds on an enzyme |
|
|
Term
|
Definition
| molecules that have an unequal distribution of charges |
|
|
Term
|
Definition
| a weak interation involving a hydrogen atom and a fluorine, oxygen, or nitrogen atom |
|
|
Term
|
Definition
| a combo of 2 or more substnaces in which each substance retains its individual characteristics and properties |
|
|
Term
| solution (homogeneous mixture) |
|
Definition
| when a mixture has one composition throughout (only one thing mixed together) Ex: Water and crystal light |
|
|
Term
|
Definition
| a substance in which another substance is dissolved Ex: water |
|
|
Term
|
Definition
| the substance that is dossolved in the solvent |
|
|
Term
|
Definition
| substnaces that release hydrogen ions when dissolved in water |
|
|
Term
|
Definition
| substances that release hydroxide ions when dissolved in water |
|
|
Term
|
Definition
| the measure of concentration of H+ in a solution |
|
|
Term
|
Definition
| mixtures that can react with acids or bases to keep the pH within a particular range |
|
|
Term
|
Definition
| large molecules that are formed by joining smaller organic molecules together |
|
|
Term
|
Definition
| molecules made from repeating units of identical or nearly identical compounds called monomers that are linked together by a series of covalent bonds |
|
|
Term
|
Definition
| compounds composed of carbon, hydrogen, and oxygen in a ration of one oxygen and two hydrogen atoms for each carbon atom |
|
|
Term
|
Definition
| molecules made mostly of carbon and hydrogen that make up the fats, oils, and waxes; used to store energy |
|
|
Term
|
Definition
| a compound made of small carbon compounds called amino acids |
|
|
Term
|
Definition
| small compounds that are made of carbon, nitrogen, oxygen, hydrogen,and sometimes sulfur; all amino acids share the same general structure |
|
|
Term
|
Definition
| complex macromolecules that store and transmit genetic information |
|
|
Term
|
Definition
| nucleic acids are made of smaller repeating subunits composed of carbon, oxygen, phosphorus, and hydrogen atoms |
|
|
