In this problem,Z is the atomic number,N is the neutron number,and A is the mass number.For stable isotopes with A greater than 44,as A increases,the ratio Z/N
A)remains the same.
B)decreases.
C)equals A - N.
D)increases.
E)None of these is correct.

Question

Quizplus · Accepted Answer

For stable isotopes with A greater than 44, the ratio Z/N decreases as A increases. This is because as A increases, the number of neutrons also increases in order to maintain stability. However, the number of protons (Z) does not increase at the same rate, resulting in a decrease in the Z/N ratio.

In This Problem,Z Is the Atomic Number,N Is the Neutron