Chemical Symbols 61-90
English
Avanzado
Signs and symbols of the 61st to 90th chemical elements of the periodic table. "Chemical symbol," Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/w/index.php?title=Chemical_symbol&oldid=953572147 (accessed May 14, 2020).
Descripción
Etiquetas
30
Preguntas
10 s
Por pregunta
0:41
Tiempo promedio
3,0
Puntuación del concurso
4
Participantes
Question 10: there are two times the answer Yb.