Why sodium does not have d-orbital while phosphorus do have?( even though Both of them have their electrons fille din the third shell and third shell has d orbitals)
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In an atom, the electrons spin around the center, also called the nucleus. The electrons like to be in separate shells/orbitals. Shell number one can only hold 2 electrons, shell two can hold 8, and for the first eighteen elements shell three can hold a maximum of eight electrons. As about elements with more than eighteen electrons have that shell three can hold more than eight. Once one shell is full, the next electron that is added has to move to the next shell.
london2023:
u spent so much time on writing the answer....im feeling so bad right now.
so sorry pls
The 3rd shell of any atom can actually contain 18 electrons, but potassium (K) normally has only one electron in the 4s orbital. To put an electron into a 3d orbital you need to reach a -2 charge, but it’s far more energetically stable for potassium to lose an electron than to gain
can u pls suggest the answer?
Those electrons will go almost anywhere else if they can, and it’s hard to prevent them from being able to. Germanium has 32 electrons, so it needs to fill the 3d orbitals in its ground state. It’s simply a matter of germanium having enough protons that it needs the 3d orbitals to contain electrons in order to have a neutral charge
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