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unit 1 topic 3

TermDefinition
Adhesion the tendency of dissimilar particles or surfaces to cling to one another
Cohesion the act, condition, or force of sticking together to form a united whole
Polar molecule a structure that has a slightly positive charge on one end and a slightly negative charge on the other end due to an unequal sharing of electrons
Hydrogen bond a strong type of intermolecular attraction (or molecular interaction) that happens when a hydrogen atom covalently bonded to a highly electronegative atom
Surface tension the physical property of a liquid surface that makes it behave like a stretched elastic film and resist external forces
Capillary action the movement of a liquid through a narrow space or porous material against an opposing force like gravity
Specific heat capacity the amount of heat energy required to raise the temperature of a unit mass of a substance by one degree Celsius
Expansion upon freezing its molecules lock into an open, hexagonal crystal lattice that holds them farther apart than they are in liquid water
Universal solvent dissolves more substances than any other liquid
Created by: user-2051417
 

 



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