Summarize the overall trend observed for ionization energy. please explain it well so I understand WILL MARK BRAINLIEST AND ALOT OF POINTS!​

See explanation!

Explanation:

Ionization energy refers to the amount of energy needed to remove an electron from an atom. Ionization energy decreases as you go down a group and increases as you go from left to right across the periodic table. The more electrons that are lost, the more positive the ion will be, and the harder it is to separate the electrons from the atom. Also the elements near the top of the periodic table and further to the right have higher ionization energies.

the measure of atoms size and the energy to remove a electron.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).