The correct set of four quantum numbers for the outermost electron of sodium $(Z=11)$ is

Which one of the statements regarding quantum numbers is false?

Which one of the following sets of quantum numbers is not possible for a $4p$ electron?

Which of the following configurations is correct for iron $(Fe)$?

When the $4d$ orbital is complete,the newly entering electron goes into which orbital?

In a multielectron atom,which of the following orbitals described by three quantum numbers will have the same energy in the absence of electric and magnetic fields?
$A: n=1, \ell=0, m_{\ell}=0$
$B: n=2, \ell=0, m_{\ell}=0$
$C: n=2, \ell=1, m_{\ell}=1$
$D: n=3, \ell=2, m_{\ell}=1$
$E: n=3, \ell=2, m_{\ell}=0$
Choose the correct answer from the options given below: