Oxides Of 3d Elements

Explain the trends in Oxidation state of 3d elements. Which factors relate to the colour of transition metal

The Mw of a oxide of an element is 44. The Ew of the element is 14. The atomic weight of the element is

The oxide of an element possess the molecular formula M_(2)O_(3) . If the equivalent mass of the metal is 9, the molecular mass of the oxide will be

Why are the ionisation energies of 5d elements greater than 3d elements?

The most common oxidation states of 3d series elements