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
Answer:
a<x<b
Explanation:
A is less than X, which is less than b. Could also be a>x>b
We can't answer this if we didn't see the video.