Answer:
A. Elements with intermediate numbers of valence electrons are the last chemically stable.
Explanation:
Answer:Jack will run faster when he feels like it!
Explanation:
I will not help you but i would surely take these points for answering this question but i lied.
4.0 cm
Hope this helps (:
Oldest to youngest *Precambrian Era*Paleozoic *Mesozoic*Cenozoic