Halide and Oxides of d block | F block elements

Explain :(i) Variable oxidation states of d-block elements (ii) d-block elements form alloys.

Which of the following elements do not follow the general trends? (i) s -block elements (ii) p- block elements (iii) f -block (iv) d- block elements

La ( lanthanum ) having atomic number "57" is a member of : S-block elements P-block elements d-block elements f-block elements

How does filling of valence electrons takes place in p-block, d-block and f-block elements?

What are the d- block elements? Write any four properties of d - block elements and give their general outer electronic configuration.

Introduction of d-block elements: - position in periodic table| Trick to learn d-block elements and d-block elements vs transition elements