A substance that cannot be broken down into a simpler substance by chemical means is a/an
A) element.
B) compound.
C) molecule.
D) nucleic acid.
Correct Answer:
Verified
Q23: On the typical pH scale, a pH
Q24: When the body has excess energy and
Q25: The number of protons plus the number
Q26: An ionic bond forms between
A)a cation and
Q27: Select the correct statement.
A)DNA and RNA are
Q29: When placed in water, ionic compounds dissociate
Q30: Adding additional neutrons to an atom would
Q31: Which of the following is an organic
Q32: The dissociation of a/an _ releases hydrogen
Q33: Proteins are composed of subunits called _
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