Question 2 of 3 IncorrectIncorrect Ro presented by Sapling Learning Map The ener

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Question 2 of 3 IncorrectIncorrect Ro presented by Sapling Learning Map The energy levels of one-electron ions are given by the equation where Z is atomic number, n is the energy level and aJ is the abbreviation for the unit attojoules Il lonization energy is the energy needed to eject an electron from an atom or ion Calculate the ionization energy, IE, of the one-electron ion C". The electron starts in the lowest energy level, n=1 Number IE 106.82 Previous Give Up & View Solution O Check AnswerNext Exit Hint Recall that atomic number, Z, for a given element can be found in the periodic table The SI prefix atto- means 1018 To find the ionization energy, take the difference between the n- and the n = 1 states IE E-E where Er=0

Explanation / Answer

En = -2.18*10^-18 J *Z^2/n^2

Einfinity = 0

E1 = -2.18*10^-18 J *Z^2/1^2

E1 = -2.18*10^-18 J *Z^2

Here: Z = 6 (This is atomic number of Carbon)

So,

E1 = -2.18*10^-18 J *Z^2

E1 = -2.18*10^-18 J *6^2

E1 = -2.18*10^-18 J *36

E1 = -7.85*10^-17 J

IE = Einfinity - E1

IE = 0 - (-7.85*10^-17 J)

IE = 7.85*10^-17 J

Answer: 7.85*10^-17 J

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