Which of the following are periodic elements: Ti, N, Pt, Fl, Zt, 1L, 2y, O, F, V, Y
The following are periodic elements: Ti, N, Pt, Fl, O, F, V, Y
### Instruction: Which of the following are periodic elements: Ti, N, Pt, Fl, Zt, 1L, 2y, O, F, V, Y
### Context: 
### Answer: The following are periodic elements: Ti, N, Pt, Fl, O, F, V, Y