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17 terms

Biology_The Chemistry of Life

The second set of study material for Mr. Jones's Unit test in Biology
STUDY
PLAY
organic chemistry
the chemistry of carbon found in living things
organic compounds
compounds found in living organisms that are carbon-based
ions
atoms that gained electrons or lost electrons
molecules found in living things water
fifty to ninety-five percent
molecules found in living things ions
less than one percent
molecules found in living things organic
almost all of the rest of molecules in living things
carbon atom is able to form ___ bonds with other elements
four
carbon is the _____ element that can form four bonds
smallest
the three most common elements of life
CHO
other important elements of life
nitrogen calcium phosphorous iron and sodium
water is used as a
coolant, transport medium and habitat
transparency
light can pass through
cohesion
water molecules are strongly attracted to other water molecules, sticking together making it difficult for small objects to break through
adhesion
when molecules of different types are attracted to each other
solvent
water dissolves many substances
cooling effect
water can evaporate at temperatures below the boiling point, as water evaporates surfaces cool down
density
water becomes less dense as temperature decreases