Ingia
WAEC - Chemistry (2009 - No. 3)
If 100 atoms of element X contains 70 atoms of
9
X and 30 atoms of
11
X, calculate the relative atomic mass of X
9.6
10.6
11.6
20.0
Maoni (0)
Ingia Ili Kutoa Maoni
Tangazo
Ruhusu javascript kupakia vizuri ukurasa huu
