A Venus probe detects an element with a first ionization energy of 2088 kJ/ mol. Given the table of known ionization energies provided in the introduction, what is the most likely identity of this element?
Ionization energy is another periodic property of the elements. The ionization energy of an atom is the energy required to remove an electron when the element is in a gaseous state. Ionization energies tend to increase from left to right across the row, but they decrease going down a column. The highest ionization energies are thus found in the upper right corner of the periodic table. Some sample ionization energies are shown in the table below.
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