1s^2 2s^2 2p^6 3s^2 3p^6 3d^2 4s^2
The electron configuration of plutonium is: 1s22s22p63s23p63d104s24p64d105s25p64f145d106s26p65f66d07s2
The electron configuration 1s22s22p63s23p64s23d5 is for manganese. Not 3d !
The electron configuration of uranium is: 1s22s2p63s2p6d104s2p6d10f145s2p6d10f36s2p6d17s2
To write the electron configuration for Ar (argon) with 4s^2 and 3d^1 in longhand, you first write the electron configuration for argon (Ar): 1s^2 2s^2 2p^6 3s^2 3p^6. Then, you add the additional electrons in the 4s and 3d orbitals: 4s^2 3d^1.
1s2,2s2,2p6,3s2,3p6,3d5,4s1
The longhand electron configuration for sulfur is 1s2.2s2.2p6.3s2.3p4.
The electron configuration of plutonium is: 1s22s22p63s23p63d104s24p64d105s25p64f145d106s26p65f66d07s2
The electron configuration of beryllium is 1s22s2.
The electron configuration 1s22s22p63s23p64s23d5 is for manganese. Not 3d !
The electron configuration of sulfur (long) is: 1s22s22p63s23p4. The electron configuration of sulfur (short) is: [He]3s23p4.
The longhand electron configuration for sulfur is 1s2.2s2.2p6.3s2.3p4.
[Ar]4s23d2
The electron configuration of uranium is: 1s22s2p63s2p6d104s2p6d10f145s2p6d10f36s2p6d17s2
To write the electron configuration for Ar (argon) with 4s^2 and 3d^1 in longhand, you first write the electron configuration for argon (Ar): 1s^2 2s^2 2p^6 3s^2 3p^6. Then, you add the additional electrons in the 4s and 3d orbitals: 4s^2 3d^1.
1s2,2s2,2p6,3s2,3p6,3d5,4s1
The noble gas shorthand for titanium is [Ar] 3d^2 4s^2. It represents the electron configuration of titanium by showing the number of electrons in each energy level, similar to the configuration of the noble gas element argon.
[Ar]4s23d2