Question

The only elements having no neutron is

Answer 1

Answer:

There is only one stable atom that doesnot have neutrons. It is an isotope of theelement hydrogen called protium. Protium, which contains a single proton and a single electron, is the simplest atom.

Answer 2

Answer:

There is only one stable atom that does not have neutrons. It is an isotope of the element hydrogen called protium. Protium, which contains a single proton and a single electron, is the simplest atom. All other stable atoms contain some number of neutrons.