It becomes more difficult to remove_________________?
Correct answer: D. third electron from the orbit
- A. any electron from the orbit
- B. first electron from the orbit
- C. second electron from the orbit
- D. third electron from the orbit
Explanation
After each electron is removed, the ion becomes more positively charged and holds its remaining electrons more strongly. Thus successive ionization requires increasing energy, with removing the third electron harder than removing the first or second.
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