The ratio of the number of protons to neutrons in the nucleus of naturally occurring isotopes tends to vary with atomic number in what manner?
a. decreases with greater atomic number
b. increases with greater atomic number
c. remains constant for entire range of atomic numbers
d. is maximum for atomic number = 60
Question 2
Which of the following methods of decay does not result in an element different from that of the original parent nucleus?
a. alpha followed by negative beta followed by another negative beta
b. alpha followed by beta
c. alpha followed by gamma followed by another gamma
d. alpha followed by positive beta followed by another positive beta
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