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Properties of Water

Water, Matter, and pH

TermDefinition
polar unequal sharing of electrons
cohesion water sticks to water
adhesion water sticks to other substances
surface tension the film formed on the surface of water; caused by cohesion
capillary action water to move upward
universal solvent water dissolves many substances
atom smallest unit of matter
element pure substance consisting of 1 type of atom
compound 2 or more elements bonded in a fixed proportion
radioactive isotope unstable nucleus of an atom that breaks down at a constant rate
ionic bond bond created when electrons are transferred
covalent bond bond created when electrons are shared
hydrogen bond weak bond formed between the oxygen of one water molecule and the hydrogen of another
molecule atoms held together by covalent bonds
solute substance that is dissolved
solvent substance that dissolves the solute
solution solute+solvent
suspensions water and non-dissolved material
isotope atoms of the same element with different number of neutrons
mixture 2 or more elements mixed but easy to physically separate
ionize break and form bonds
acid ph below 7: more H+ ions
base ph above 7. more OH-
neutral ph of 7
buffer weak acid or base that reacts with strong ones to prevent sudden changes in pH. helps to maintain homeostasis.
Created by: payneds