" The cation of an element bas: "

The cation of an element has :-

The number of protons present in the divalent cation of the element of above configuration is :-

The position of three elements A, B and C in the periodic table are as shown below: Which type ion, cation or anion, will be formed by elements A ?

The position of three elements A, B and C in the Periodic table are shown below : Which type of ion, cation or anion, will be formed by element A?

Calculate the spin only magnetic moment of divalent cation of element having atomic number 27.