configuration

1. Electron Configuration

2. Objectives
• Describe the arrangement of the elements
in the periodic table using electron
configuration
• Figure out the number and arrangement of
electrons in an atom
• Configure the electrons of an element

3. Electron
Configuration
• arrangement
distribution of electrons
• number = energy level
• letter = orbital
• superscript = no. of
electrons
represented by:

4. Electron Configuration : Rules
• Pauli's Exclusion Principle
•Austrian Physicist, Wolfgang Pauli
• electrons are unique
•different quantum numbers

5. Electron Configuration : Rules
• Hund's Rule
•German Physicist, Freidrich Hund
• one spin set is filled
first in orbitals
•Electrons have more than one
equivalent orbital available

7. Electron Configuration : Rules
• Aufbau Principle
•Danish Physicist, Neils Bohr
• electrons fill low energy
orbitals first
•not necessarily lower energy shells
•(n + l) is used for comparison

8. Electron Configuration

12. Configurate the electrons of the following elements.
1. Mn
2. Pd
3. Cu
4. Cr
5. Xe