Answer and Explanation:
one and two, three and four
So, I believe the last option is correct..
I could be wrong...
Answer:
Periodic trend for first ionization energy
The ionization energy increases because the ratio of the protons to electrons increases. Which explains the change in ionization energy that occurs between removing the first and second electrons from an atom? Electronegativities of the elements Be, Mg, Ca, and Sr follow a specific trend within their group.
<span>Robert John "Mutt" Lange wrote the song "If You Want It to Be Good Girl (Get Yourself a Bad Boy)" for the self-titled album "Backstreet Boys" which was released August 12, 1997. The song was track 11 which was the final track on the album.</span>
The Sumerian empire used wedge-shaped marks pressed into damp clay for keeping records.
This style of writing is known as Cuneiform Script. The word Cuneiform is adopted from the Latin word cuneus, means wedge. This style of writing was then adopted by Akkadian Empire.