The Only Invalid Electron State and Shell Designation Among the Following

question 9

Multiple Choice

The only invalid electron state and shell designation among the following is

• A)1s,K (n = 1)shell.
• B)2s,L (n = 2)shell.
• C)2d,L (n = 2)shell.
• D)3s,M (n = 3)shell.
• E)3d,M (n = 3)shell.

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