Identify what is wrong with each electron configuration and write the correct ground state (or lowest energy) based on the number of electrons. Part A Part complete 1s42s42p12 Can only have 2 in s shell and 6 in the p shell: 1s22s22p63s23p64s24p6 Can only have 2 in s shell and 6 in the p shell: 1s22s22p6 Can only have 2 in s shell and 6 in the p shell: 1s22s22p63s23p64s2 Can only have 2 in s shell and 6 in the p shell: 1s22s22p63s23p64s14p1 Previous Answers Correct Part B 1s22s22p63s23p64s2 Use the buttons at the top of the tool to add orbitals. Click within the orbital to add electrons.
s orbital can have maximum of 2 electrons.
p orbital can have maximum 6 electrons.
Part A
(a) 1s4 2s4 2p12 is wrong electronic configuration. Correct one is: 1s2 2s2 2p6
(b) 1s2 2s2 2p63s2 3p6 4s2 4p6 is wrong electronic configuration. 3d- orbital has lower energy than 4p orbital. SO, 3d orbital will be filled before 4p orbital. So,Correct electronic configuration is :1s2 2s2 2p63s2 3p6 4s2 3d6
(c)1s2 2s2 2p6 is correct electronic configuration
(d) 1s2 2s2 2p63s2 3p6 4s1 4p1 is a is wrong electronic configuration. 4s orbital has lower energy than 4p orbital. Lower energy orbital will be filled first and then higher energy level will be filled. So,Correct electronic configuration is :1s2 2s2 2p63s2 3p6 4s2
Part B
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