Electron Configurations

Electron Configurations

Electron Configurations SHIELDING AND PENETRATION ORBITALS WITH RADIAL PROBABILITY CLOSER TO THE NUCLEUS ARE MORE PENETRATING. THE CLOSER, MORE PENETRATING ORBITALS, ARE SHIELDING THE FURTHER ORBITALS

FROM THE NUCLEUS. ENERGIES OF ORBITALS Everything other than Hydrogen Hydrogen ei E

Questions: What is the difference between the two? Why do you think hydrogen is different? ENERGIES OF ORBITALS Everything other than Hydrogen Hydrogen ei

E Question: Here I have draw hydrogen with atomic orbitals higher than 1. Is this correct? Why or why not? ENERGIES IN RELATION TO PERIODIC TABLE 1s 3d

2p 4f http://www.docstoc.com Find the electron configuration of: Oxygen 1s22s22p4 OR [He] 2s22p4 What ion do you think oxygen likes to be?

-2 ion Why? Give the electron configuration of the ion in your explanation. 1s22s22p6 OR [He] 2s22p6 OR [Ne] 1s 3d 4f

2p What is the electron Configuration for selenium More than one answer may be possible A) [Ar]4s23d104p4 B) [Ar]4s24p4 C) [Ar]4s24d104p4

D) [Ar]4s23d103p4 E) None of the above What is the electron Configuration for the fluorine ion? More than one answer may be possible A) [He]2s22p5

B) [He]2s22p6 C) [He] D) [Ne]2s22p6 E) [Ne] ELECTRON CONFIGURATIONS: EXCEPTIONS Half filled and full filled orbitals are more stable. To get d orbitals to this stability promote electrons from s orbitals. ONLY ONE Fs also have a bunch of exceptions, dont worry about these. If I ask for an electron

configuration from the F block, just follow the rules Question: Why can we be so fluid with our exchange of electrons from the s and d orbitals? Energy levels are very close to each other! Is this actually important? (cough cough will you test us on this?) Absopositivilutely I promise to put some exceptions (likely at least two) on the exam

that you have to give me the electron configuration for. What is the electron Configuration for neutral chromium More than one answer may be possible A) [Ar]4s23d4 B) [Ar]4s14p5

C) [Ar]4s04d5 D) [Ar]4s13d5 E) None of the above. What is the electron Configuration for zinc More than one answer may be possible A) [Ar]4s23d10

B) [Ar]4s04p10 C) [Ar]4s24d8 D) [Ar]4s13d9 ELECTRON CONFIGURATIONS: EXCEPTIONS When valence d orbitals have electrons and you need to make an positive ion, remove from valence s orbitals first.

What is the electron Configuration for Co2+ A) [Ar]4s23d5 B) [Ar]4s04p7 C) [Ar]4s14d6 D) [Ar]4s23d7

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