다음 중 주기율표 원소인 것은? Ti, N, Pt, Fl, Zt, 1L, 2y, O, F, V, Y는?
다음은 주기율표 원소입니다: Ti, N, Pt, Fl, O, F, V, Y
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