Enter your answer in the provided box in scientific notation. A hydrogen -like i

Question

Enter your answer in the provided box in scientific notation. A hydrogen -like ion is an ion containing only one electron. The energy of the electron in a Hydrogen - like ion is given by where n is the principal quantum number and Z is the atomic number of the element. Plasma is a state of matter consisting of positive gaseous ions and electrons. In the plasma state, a mercury atom could be stripped of its 80 electrons and therefore could exist as Hg^80+. Use the equation above to calculate the energy required for the last ionization step:

Explanation / Answer

The last electron is present in the 1s subshell

Thus, ionization energy ,E = (2.18*10-18)*(802)*(1/12) = 1.4*10-14 J per Hg atom

Thus, ionization energy per mole, E = (6.022*1023)*(1.4*10-14) = 8.4*109 J/mole = 8.4*106 kJ/mole

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