Which atom contains exactly 15 protons?
A. P-32.
B. S-32.
C. O-15.
D. N-15.
An atom with 15 protons also has an atomic number of 15. Refer to the Periodic Table for element 15 (phosphorus).
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Exam Details
While these questions do not fit the MCAT format (they have no related reading passages) they cover concepts one should understand in order to do well in the physical sciences portion of the MCAT.
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