d and f block elements

Mind Map 

https://notebook.google.com/notebook/18f24f22-c875-4350-9768-cd6210bdfc7f/artifact/deb1d820-072e-41cd-a812-9144b4d4fe49?utm_source=nlm_web_share&utm_medium=google_oo&utm_campaign=art_share_1&utm_content=&utm_smc=nlm_web_share_google_oo_art_share_1_

Previous Year Ques - Ans 

https://www.perplexity.ai/search/00396552-3209-4b93-b06e-9a2f62f56ccc