State which of the following sets are finite and which are infinite.
The set of atoms on earth.
A set that contains countable number of different members is called a finite set and a set which contains unlimited or uncountable number of different members is called an infinite set.
Given set: The set of atoms on earth.
The number of atoms on earth is uncountable as it contains an unlimited members.
Hence, the set of atoms on earth is an infinite set.