Stability of Fully Filled and Half Filled Orbitals
WHAT IS MEAN ...
Question
WHAT IS MEAN BY CONFIGURATION
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Solution
Configuration is the arrangement of electron. That is how the electrons are distributed in various shells or subshells is called configuration.
Na11 - 2,8,1 (K,L,M)
Clā17 - 2,8,7 (K,L,M)
Where K,L,M are called shells