[" A positron is emitted from "_(11)^(23)Na" .The ratio "],[" of the atomic mass and atomic number of "],[" the resulting nuclide is "]

A positron is emitted from ._(11)Na^(23) . The ratio of the atomic mass and atomic number of the resulting nuclide is

A positron is emitted from ._(11)Na^(23) . The ratio of the atomic mass and atomic number of the resulting nuclide is

A positron is emitted by ""_(11)^(23) Na. The ratio of the atomic mass and atomic number of the resulting nuclide is :

A positron is emitted from ""^(23)Na . The ratio of atomic mass and atomic number of the resulting nucleide is :

A positron is emitted by a radioactive nucleus of atomic number 90. What is the atomic number of the product nucleus ?

A nucleus of atomic mass A and atomic number Z emits beta- particle. The atomic mass and atomic number of the resulting nucleus are

A nucleus with mass number m and atomic number n, emits one alpha- particle and one beta- particle . The mass number and atomic number of the resulting nucleus will respectively be-

The atomic number and the mass number of an atom remains unchanged when it emits

The atomic number and the mass number of an atom remains unchanged when it emits