Science 1 – Chemistry of Life – Properties of Water

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Hydrogen Bond
Attraction between a slightly positive hydrogen atom and a slightly negative atom.
Cohesion
Attraction between molecules of the same substance
Adhesion
Attraction between molecules of different substances

Solution
A homogeneous mixture of two or more substances

Solvent
A liquid substance capable of dissolving other substances
Acid
Any compound that increases the number of hydronium ions when dissolved in water

Base
Any compound that increases the number of hydroxide ions when dissolved in water
pH scale
measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14
Solute
A substance that is dissolved in a solution.

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