c127e3p2f2000

1. The wavelength of the photon required to promote an electron in the hydrogen atom from the n = 1 to the n = 3 level is

   less than greater than equal to more information required the wavelength of the photon required to promote an electron in the hydrogen atom from the n = 1 to the n = 2 level.

2. For a scandium atom in the ground state, the energy of the 3d sublevel is

   less than greater than equal to more information required the energy of the 4s sublevel.

3. The number of unpaired electrons for a carbon atom in the ground state is

   less than greater than equal to more information required the number of unpaired electrons for an oxygen atom in the ground state.

4. The quantum number of the 3p sublevel is

   less than greater than equal to more information required the quantum number of the 5p sublevel.

5. The atomic radius of the fluorine atom is

   less than greater than equal to more information required the atomic radius of the fluoride ion.

6. The atomic radius of the magnesium atom is

   less than greater than equal to more information required the atomic radius of the chlorine atom.

7. The electronegativity of the halogen atom in the second period of the periodic table is

   less than greater than equal to more information required the electronegativity of the halogen atom in the fourth period of the periodic table.

8. The first ionization energy of potassium is

   less than greater than equal to more information required the first ionization energy of calcium.

1. Which of the following is isoelectronic to the P^3- ion?
   A. N^3-
   B. S^2-
   C. Ar
   D. C
   E. both (A) and (C)
   F. both (B) and (C)

   A B C D E F

2. Write out the electron configuration for palladium, Pd (Z = 46).
3. Write out the electron configuration for Pd²⁺.
4. Draw the orbital diagram for sulfur. Use up and down arrows to represent electrons in the orbitals provided. {You must label the orbitals.}

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