electronic configuration

• s shell: 2 electrons

  p shell: 6 electrons

  d shell: 10 electrons

  f shell: 14 electrons
• QUANTUM NUMBERS

  
• QUANTUM NUMBERS

  
• HUND'S RULE

  
• AUFBU PRINCIPLE

  
• PAULI'S EXCLUSION PRINCIPLE

  
• Principal- distance of the electrons from nucleus
• azimuthal- shape of the orbital
• magnetic- orientation of the orbital
• spin- orientation of the electron spin
• An orbital can at most hold how many electrons?- 2
• How many orbitals are in the 4d sublevel?- 5
• Electrons will fill orbitals- from the lowest energy
• What shape are P Orbitals?- Dumbbell shaped
• How many unshared pairs of electrons are in this orbital diagram?- 2

  
• How many electrons can the second energy level hold?- 8
• What is the correct representation for an orbital which has an "n" value of 4 and an "l" value of 2?- 4d
• After filling 5s, electrons would fill...- 4d
• Which of the following is NOT a possible pair of quantum numbers?- B

  A.2p

  B. 2d

  C. 4p

  D. 4f
• The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is- 10
• What is the highest occupied energy level?- 6

  
• What atom matches this electron configuration? 1s22s22p63s23p64s23d10-

  Zinc

  
• What is this element?- Nitrogen

  
• What is the noble gas shorthand electron for Sulfur atom?- 3s^2 3p^4
• What atom matches this electron configuration?- Gold

  [Xe] 6s^25d^9
• Which orbital shows a violation of the Pauli Exclusion Principle?- A

  A.A

  B. B

  C. C

  D. D

  
• Which orbital shows a violation of Hund's Rule? -D

  A.A

  B. B

  C. C

  D. D

  
• How many electrons can Principle Energy Level 3 have?- 18
• What is untrue about f orbitals?- C

  A.First found at energy level 4

  B. When all f orbitals of a given energy level are full, they may contain up to 14 electrons

  C. There are 5 different orientations, or axes

  D. Each f orbital may hold an electron with a +1/2 spin and a -1/2 SPIN
• How many valence electrons does Si contain?- 4