Chemical Symbols 61-90
English
Zaawansowany
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).
Opis
30
Pytań
10 sek
Na pytanie
0:45
Średni czas
3,0
Wyniki konkursu
5
Uczestników
Question 10: there are two times the answer Yb.