Question

Of the following elements, which one has the smallest first ionization energy?

A. boron
B. carbon
C. aluminum
D. silicon

Answer 1

C. Aluminum

Step-by-step explanation:

Aluminum has 5.9858 ionization energy

Boron has 8.298 ionization energy

Silicon has 8.1517 ionization energy

Carbon has 11.2603 ionization energy