Which electron configuration corresponds to a neutral oxygen atom (atomic number 8) in the simplified orbital notation?

In the simplified electron configuration (noble-gas shorthand), what is the electron configuration of phosphorus (P)?

What is the ground-state electron configuration for lead (Pb, atomic number 82) using noble-gas shorthand?

Which electron configuration represents an atom in an excited state (i.e., an electron has been promoted to a higher-energy orbital while a lower-energy orbital is not filled as expected in the ground state)?

Which electron configuration corresponds to a neutral boron atom (atomic number 5) in the simplified orbital notation?

Which element has the following ground-state electron configuration: $1s^{2}2s^{2}2p^{6}3s^{2}3p^5$?

Which electron configuration correctly represents a neutral lithium atom (atomic number 3) in the ground state?

Which of the following is the ground-state electron configuration for zinc (Zn, atomic number 30)?

Which electron configuration corresponds to bromine (Br, atomic number 35) in simplified noble-gas notation?