Question

Spot the mistakes in the given statements and correct them.
(a) Lanthanides and actinides are included in the main body of periodic table.
(b) Titanium, chromium and manganese are coinage elements.

Answer 1

$\left(a\right)$. $s-block$ and $p-block$ elements are included in main group elements.

$\left(b\right)$ Group $11$ i.e $Cu,Ag,Au$ are coinage elements.