Question

thallium and titanium have same name in the modern periodic table

Answer 1

Chemical symbol of thallium is Tl and that of titanium is Ti, hence both have different name and symbol in modern periodic table. I would suggest you to go through the table carefully as you must be getting confused by the appearance of i and l alphabets.

Answer 2

Answer:

Titanium is having a symbol of Ti, and an atomic number of 22 in fourth group as well fourth period of periodic table.

Since Titanium is located in fourth group, then Titanium is a metal.

And

Thallium is having a symbol of TI, and an atomic number of 81 in sixth group as well as sixth period of periodic table.

Since Thallium is located in fourth group, then Thallium is also a metal.