Engineering
Chemistry
Classification of Elements
Question
The subshell electronic configuration of two elements as follows. (Symbols are not real) P – 3s2 Q – 3p4
Write the complete subshell electronic configuration.
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Solution
period number ⇒ no. of shells
the complete subshell electronic configuration.
P – 1s2 2s2 2p6 3s2
Q – 1s2 2s2 2p6 3s2 3p4
1 = 0, 1 = 1, 1 =2, 1 = 3
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