D-block elements Tamil revision mind map: the difference between d-block and transition elements, why copper qualifies but zinc does not, variable oxidation states peaking at manganese, why d-zero ions are colourless, complex ion formation, and the ammonia complex colour identification sequence.
↔️ முழுப் படத்தையும் காண பக்கவாட்டில் நகர்த்துக (scroll to see full poster)