Sketch a curve similar to those of Figure 17.12?

for a value of A that results in three isobars that are stable against decay and electron capture. On the basis of the SEMF explain why the number of stable isotopes per element increases with Z.

Transcribed Image Text:

A = 121 A = 122 even-even | even-odd odd-odd stable stable stable 50 52 (a) 54 2 48 Z. 54 48 52 50 (b) M(Z, A)