9. Electrons in Atoms and the Periodic Table

Use the following orbital-filling diagram to show the electron configuration for As:

Which is the correct ground-state electron configuration for aluminum (Al)?

What is the ground-state electron configuration of sulfur (S) using noble-gas shorthand notation?

Which simplified electron configuration correctly represents aluminum (Al, atomic number 13)?

What is the ground-state electron configuration of aluminum (Al, atomic number 13) using noble-gas shorthand?

In the simplified electron-configuration notation, what is the electron configuration of a proton (p⁺)?

What is the ground-state electron configuration of the $C^o$${}^2$ ion (cobalt(II))?

What is the ground-state electron configuration for sulfur (S)?

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

What is the electron configuration of ${\mathrm{Li}}^{+}$ (lithium ion)?

What is the ground-state electron configuration of gallium (Ga, atomic number 31) using noble-gas shorthand?

Which electron configuration correctly represents a neutral carbon atom in its ground state?

What is the ground-state electron configuration for silicon (Si)?

What is the ground-state electron configuration of boron (B, atomic number 5)?