Answer:
B. 801. C. 1086. N. 1402. O. 1314. F. 1681. Ne. 2081. 3. Na. 496. Mg. 738. Al. 577. Si. 786. P. 1012. S. 1000. Cl. 1251. Ar. 1520. 4. K ... The ionization energy of an atom is the amount of energy that is required to remove an electron ... Thus, helium has the largest first ionization energy, while francium has one of the lowest.
Missing: А. | Must include: А.
Explanation: