A. Starting with 1s2draw out the complete electron configuration for the most stable ionof selenium. b. Explain how you used the Octet Rule to determine your answer in part a.

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

Adepositional also feature that forms where a stream enters a lake or an ocean is a