module 1 - how life is built from molecules
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13 Terms
hydrophilic
substance that interacts well with water/dissolves in water
hydrophobic
does not interact well with water
molecules that are hydrophobic
nonpolar
molecules that are hydrophilic
polar and charged
oxygen charge
partial negative
hydrogen charge
partial positive
pH
measure the acidity or alkalinity of a solution by determining the concentration of hydrogen ions
anion
gains electrons, negatively charged
cation
loses electrons, positively chargedh
hydrogen bond
forms a weak bond between partially charged molecules. represented as a dashed line between molecules
acid
substance that donates H+ to a solution, increasing its concentration
H+
hydrogen ions
base
accepts or releases H+ which decreases the concentration