Titanium
there is no such element
The element AU on the periodic chart stands for gold.
Arsenic
No element has the symbol A
there is no element with the symbol A.
sodium
As represents the element arsenic
there is no such element
Manganese.
chlorine
On the Periodic Table of Elements, created by Dmitri Mendeleev, the symbol Ti stands for Titanium.
Ti, or Titanium. Element # 22 in the periodic table of elements.