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Ch 2 vocab prart b

vocab words part b

QuestionAnswer
polarity An oxygen atom has a greater attraction for electrons than Hydrogen atoms so there is an unequal sharing of the electrons
polar molecule molecule in which charges are unevenly distributed.
hydrogen bond attraction between hydrogen atom on one water molecule and an Oxygen atom aon another water molecule
cohesion attraction between molecules of the same substace.
adhesion attraction between molecules of different substances
mixture material composed of two or more elements or compounds physically mixed together but NOT chemically combined
solution mixtures in which the components are evenly distributed.
solute substance dissolved(salt
solvent substance in which the solute dissolves (water)
suspensions mixtures of water and undissolved material.
Acids compound that forms H+ ions in a solution.
Bases compounds that form OH- ions in a solution
pH Scale measurement system to show the concentration of H+ ions in a solution
buffers weak acids and bases that can react with strong acids and bases to prevent sharp, sudden changes in pH.
Created by: MSeise
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