A | B |
base | contains a lower concentration of H+ ions than pure water (OH-) |
acid | contains more H+ ions than water (H+) |
buffer | a weak acid or base can react with a strong acid or base to help prevent sudden changes in pH |
solute | a substance that dissolves in a solvent |
solvent | a substance that dissolves a solute |
covalent bond | a bond that shares electrons |
hydrogen bonds | a weak bond that that loves to share an electron |
neutral | a substance that has equal amounts of OH- and H+ ions (pH7) |
molecule | the smallest unit of most compounds |
adhesion | the attraction between molecules of different substances |
cohesion | the attraction between molecules of the same substance |
pH scale | the scale used to measure how acidic or basic a solution is |
solution | the smallest unit of most compounds |
polarity | uneven distributions of electrons between oxygen and hydrogen |