Quick revision - Transition elements (properties)

Quick blast through electron structure of the atoms and ions followed by the general properties: variable oxidation state, coloured ions and catalytic activity

[aasimazam]

do we need to know that copper and crhomium form 4s1 subshel it doesnt seem to be mentioned in the book?

[nadieaXo]

For the catalysis reaction between iodide and peroxodisulfate do we need to know the equations or just be familiar with them?

[muskaanmemon]

Thank you so much!
Can you please do a quick revision video on Allotropes of carbon esp Buckminister Fullerene and nanotubes?