de ce constantinopolii puteau fi comparați cu Roma

Explanation:
hope this helps
I think it’s D, please don’t be mad if it’s wrong
Answer:
Selenium atoms have 34 electrons and the shell structure is 2.8. 18.6. The ground state electron configuration of ground state gaseous neutral selenium is [Ar].
Please mark me as the brainliest and thanks
Is this like math because if yes I would love to help but I’m terrible my best guess is 9x+2y