Question

which one has minimum value of ionization energy
a) halogen b) inert gases c) alkaline earth metals d) alkali metals​

Answer 1

$\huge\color{indigo}{\mid{\fbox{\tt{answer}} \mid}}$

$\large\tt\pink{answer = alkali \: \: metals }$

• Lonization energy increases going along in a period which begins at minimum for alkali metals and ends at maximum for noble gases.