Biology Chapter 2.3 Word Scramble
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Term | Definition |
Polar | describes a molecule with opposite charges on opposite ends |
Hydrogen Bond | the intermolecular force occurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecule |
Cohesion | the force that holds the molecules of a single material together |
Adhesion | the attractive force between two bodies of different substances that are in contact with each other |
Capillarity | the attraction between molecules that results in the rise of |
Solution | a homogeneous mixture throughout which two or more substances are uniformly dispersed |
Solute | the substance that dissolves in the solvent in a solution |
Solvent | the substance in which the solute dissolves in a solution |
Concentration | the amount of a particular substance in a given quantity of a mixture, solution or ore |
Saturated Solution | a solution that can not dissolve any more solute under the given conditions |
Aqueous Solution | a solution in which water is the solvent |
Hydroxide Ion | the OH ion |
Hydronium Ion | an ion consisting of a proton combined with a molecule of water H3O+ |
Acid | Any compound that increases the number of hydronium ions when dissolved in water- Acids turn blue litmus paper red and reacts with bases and some metals to form salts |
Base | any compound that increases the number of hydroxide ions when dissolved in water bases turn red litmus paper blue and react with acids to form salts |
pH Scale | A range of values that are used to express the acidity or basicity of a system each whole number on the scale indicates a tenfold change in acidity 7=neutral 1=acid 14=base |
Buffer | a solution made up of a weak acid and its conjugate base that neutralizes smaller amounts of acids or bases added to it |
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