Why is potassium considered as an s-block element?

Why is glass considered as a supercooled liquid?

Cuprous ion (Cu+) can not be considered as a transition element while cupric ion '(Cu)^(2+)' is a transition metal ion. Why?

Which pair of atomic numbers represents s-block elements?

Transition elements are d - block elements and inner transition elements are f-block elements. What is Lanthanoid Contraction?

Transition elements are d - block elements and inner transition elements are f-block elements. Name a transition metal compound and write one use of it.

Transition elements are d - block elements and inner transition elements are f-block elements. Write any two consequences of Lanthanoid Contraction.

Both RNA and DNA are considered as genetic materials. Why DNA is considered as a better genetic material than RNA?

s and p block elements are called