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unit 1 topic 3 vocab

QuestionAnswer
Adhesion Attraction between different substances (like water sticking to glass).
Cohesion Attraction between the same substance (like water molecules sticking together).
Polar molecule A molecule with a slightly positive end and slightly negative end.
Hydrogen bond A weak attraction between a hydrogen atom and another nearby molecule.
Surface tension The “skin-like” surface of water caused by cohesion between water molecules.
Capillary action Water moving through a narrow space because of adhesion and cohesion.
Specific heat capacity The amount of heat needed to raise the temperature of a substance.
Expansion upon freezing Water expands when it freezes, making ice less dense than liquid water.
Universal solvent Water is called this because it can dissolve many different substances.
Created by: user-2051145
 

 



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