Which element is proposed to have the highest third ionization energy. gallium potassium germanium calcium
Which element is proposed to have the highest third ionization energy. gallium potassium germanium calcium
Homework Answers
Answer : calcium
Explanation :
ionization energy is the energy is required to remove one electron from gaseous atom of its outermost valence shell.
here gallium valence = +3 . so it can lose 3 electrons
potassium has one valence electron. so only 1 electron is easily removed.
Calcium has 2 valence electrons . Ca loses 2 electrons easily . but to remove 3rd electron from calcium it is very difficult. so it requires highest energy to remove 3rd electron from calcium. so it has 3rd highest ionization energy
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