Option (b) is the answer.
An element X forms an oxide X2O3. In which group of Mendeleev’s periodic table is this element placed? (a) Group II (b) Group III (c) Group V (d) Group VIII
An element X forms an oxide X2O3. In which group of Mendeleev’s periodic table is this element placed? (a) Group II (b) Group III (c) Group V (d) Group VIII