Log ind
JAMB - Chemistry (1988 - No. 35)
What are the possible oxidation numbers of an element if its atomic number is 17?
-1 and 7
-1 and 6
-3 and 5
-2 and 6
Forklaring
17 = 2, 8, 7
Kommentarer (0)
Log ind for at kommentere
Reklame
Tillad, at javascript indlæser denne side korrekt
