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topic 1: ex. 2

properties of water

QuestionAnswer
Adhesion Attraction of molecules to the molecules of another substance
Cohesion Attraction of the same molecules to stick to one another
Surface Tension The strength of the surface of the water
Capillary action The ability of a liquid to move upwards in a slim tube against gravity
polar molecule a molecule in which opposite ends have opposite electric charges ex. water
solvent dissolves most substances ex. water
Hydrogen Bond an attraction between two atoms that are in other chemical bonds
Covalent Bond A chemical bond formed when electrons are shared between two atoms
formation of bubbles? a result of the cohesive forces between water molecules that allow the water to form a thin film around trapped air.
what happens when water freezes as water freezes, it expands and its density decreases.
why don't lakes fully freeze? because the ice on the surface acts as an insulator for the water below.
Created by: aye.grace
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