Yes the answer is 1s22s22p63s23p64s23d5
D) light is reflecting in the direction indicated by T.
If the moon did not rotate we would see all hemispheres of the moon as it revolves around the Earth and not just the phases.
Your answer should be C.) +2. "All the elements in Group 2 have two electrons in their valence shells, giving them an oxidation state of +2."
Credits: https://chem.libretexts.org/Core/Inorganic_Chemistry/Descriptive_Chemistry/Elements_Organized_by_Blo...
Hopefully this has helped! :)