Name two transition elements.

Answer the following : (a) Name of the element not known at time of Mendeleev. (b) Name any two typical elements. (c ) Name any two bridge elements. (d) Name two pairs showing diagonal relationship. (e) Name two transition elements. (f) Name two are rare earth elements. (g) Name two transuranic elements. (h) In which case compounds of Cr show maximum radius. (i) K_(2)CrO_(7) , (ii) CrO_(2)Cl_(2) , (iii) Cr_(2)(SO_(4))_(3) (iv) CrCl_(2)

Answer the following : (a) Name of the element not known at time of Mendeleev. (b) Name any two typical elements. (c ) Name any two bridge elements. (d) Name two pairs showing diagonal relationship. (e) Name two transition elements. (f) Name two are rare earth elements. (g) Name two transuranic elements. (h) In which case compounds of Cr show maximum radius. (i) K_(2)CrO_(7) , (ii) CrO_(2)Cl_(2) , (iii) Cr_(2)(SO_(4))_(3) (iv) CrCl_(2)

a) write the name of any two transition elements. b) Transition elements form colored compounds.Why? c) Write a characteristic of transition elements.

Name the transition elements with the highest and the lowest density.

The table shows a part of the periodic table, with some elements in their position. Answer the following questions: Name a transition element.

Name any two transition elements and any two inner transition elements.

Name any two transition elements and any two inner transition elements.

Name any two transition elements and any two inner transition elements.

Name any two transition elements and any two inner transition elements.

Name the two transition elements which have abnormal electronic configuration and why ?