Periodic element periodic element periodic element (a pure chemical substance consisting a single type of atom, distinguished by the number of protons in the atoms' nucleii) wikipedia.
Zirconium Zirconium zirconium, the chemical element with the symbol Zr and atomic number 40 wikipedia.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.