The chart above shows the relationship between the first ionization energy and the increase in atomic number. The letter on the chart for the alkali family of elements is
A. W
B. X
C. Z
D. Y
![The chart above shows the relationship between the first ionization energy and the increase in atomic number The letter on the chart for the alkali family of el class=](https://us-static.z-dn.net/files/df0/b82ff1e0812ce01b47a2ceb8de52723c.png)