cole.studies
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six elements necessary for life
CHNOPS (carbon, hydrogen, nitrogen, oxygen, phosphorus, sulfur)
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3 molecules that contain elements necessary for life
H2O, O2, lipids
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polar molecule
unequal distribution of charges, dissolves in water
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nonpolar molecule
equal distribution of charges, does not dissolve in water
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cohesion
attraction between molecules of the same substance
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adhesion
attraction between molecules of different substances
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high specific heat
temperature of water does not change easily
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less dense as a solid
ice floats on water
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terrific solvent
most universal solvent
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matter
anything that has mass and takes up space
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atom
the smallest part of an element
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cell
most basic unit of life
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surface tension
how difficult it is to stretch or break the surface of a liquid
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solution
uniform mixture of two or more substances
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solute
what is dissolved
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solvent
what does the dissolving
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hydrophilic
has an affinity for water
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hydrophobic
does not have an affinity for water
