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
<START_INST>Which of the following are periodic elements: Ti, N, Pt, Fl, Zt, 1L, 2y, O, F, V, Y<END_INST><START_CTX><END_CTX><START_A>The following are periodic elements: Ti, N, Pt, Fl, O, F, V, Y<END_A>