9. Electrons in Atoms and the Periodic Table

Which simplified electron configuration correctly represents sulfur (S), atomic number 16?

What is the ground-state electron configuration of neon (Ne)?

In noble-gas shorthand notation, what is the ground-state electron configuration of rubidium (Rb, atomic number 37)?

What is the ground-state electron configuration of chlorine (Z = 17)?

What is the ground-state (simplified noble-gas) electron configuration for bromine (Br)?

What is the ground-state electron configuration for carbon (C)?

What is the ground-state electron configuration of phosphorus (P), atomic number 15?

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

Which simplified electron configuration correctly represents a neutral silicon atom (atomic number 14) in the ground state?

What is the ground-state electron configuration of neon ($Ne$, atomic number $10$)?

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

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)?

What is the ground-state electron configuration of neon (Ne)?

What is the ground-state electron configuration of gallium (Ga), written using noble-gas shorthand?

Which three principles guide writing the ground-state electron configuration of an atom?