Question
Wed December 26, 2012 By:

What is Electronic Configuration For Radium

Expert Reply
Wed December 26, 2012
The element radium (atomic number 88) has the electron configuration 

K  1s2  
L  2s2 2p6 
M  3s2 3p6 3d10 
N   4s2 4p6 4d10
O   5s2  5p64f14 5d10 
P    6s2 6p6 
  Q  7s2

The electron configuration (short form) of radium is [Rn]7s2.
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