The element having no neutron in the nucleus of its atom is-

Name the element which has no neutrons in the nucleus of its atom.

An atom has 26 electrons and its atomic weight is 56. The number of neutrons in the nucleus of the atom will be

An atom has 26 electrons and its atomic weight is 56. The number of neutrons in the nucleus of the atom will be

An atom has 26 electrons and its atomic weight is 56. The number of neutrons in the nucleus of the atom will be

There are 14 protons and 13 neutrons in the nucleus of an atom. What is its mass number ?

The atom of which element has no neutron in its nucleus ?

Why was it necessary to consider the existence of neutrons in the nucleus of an atom?

An atom of an element has 29 electrons. The nucleus of the atom contains 35 neutrons. Find the number of protons in the nucleus and the mass number.