Author Question: Which of the following concerning second ionization energies is true? (Read 129 times)

fahad · **on:** Mar 21, 2021

Question 1

Which of the following combinations of quantum numbers is not allowed?

◦ n = 1, l = 1, m_l = 0, m_s =

◦ n = 3, l = 0, m_l = 0, m_s = -

◦ n = 2, l = 1, m_l = -1, m_s =

◦ n = 4, l = 3, m_l = -2, m_s = -

◦ n = 4, l = 2, m_l = 0, m_s =

Question 2

Which of the following concerning second ionization energies is true?

◦ That of Al is higher than that of Mg because Mg wants to lose the second electron, so it is easier to take the second electron away.
◦ That of Al is higher than that of Mg because the electrons are taken from the same energy level, but the Al atom has one more proton.
◦ That of Al is lower than that of Mg because Mg wants to lose the second electron, thus the energy change is greater.
◦ That of Al is lower than that of Mg because the second electron taken from Al is in a p orbital, thus it is easier to take.
◦ The second ionization energies are equal for Al and Mg.

sabina576 · **Reply #1 on:** Mar 21, 2021

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