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all living things maintain stable internal environments to optimize condiions for metabolism and other processes.
all atoms have the same structure:smallest particles that retain properties of an element(protons, neutrons, electrons)
caused by or require weak covalent bonds where one nucleus attracts the shared electrons more than another nucleus.
polar covalent bond
the atoms do not share the electrons equally and one atom is more electronegative
unequal sharing of electrons causes what?
a partial positive or negative charge for each atom or molecule
attraction between different substances. Ex: between water and plant cell walls(water vs. something else)
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