9. Electrons in Atoms and the Periodic Table

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

What is the ground-state electron configuration of zinc (Zn) in noble-gas shorthand notation?

What is the ground-state electron configuration (noble-gas shorthand) for arsenic (As), atomic number 33?

Which is the correct ground-state electron configuration for phosphorus (P), atomic number 15?

What is the ground-state electron configuration of germanium (Ge) using noble-gas shorthand?

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

Which electron configuration represents a neutral atom of magnesium (Mg)?

What is wrong with the following electron configurations? a. Ni 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 b. N 1s^2 2p^5 c. Si 1s^2 2s^2 2p d. Mg 1s^2 2s^2 2p^6 3s