Are mass number and atomic number of an element same in all respects ?

The mass number and atomic number of an element are A and Z respectively. The number of neutrons in the atom of that element is calculated as___.

Complete the following sentences : (a) The mass number and atomic number of an element are not changed when it emits …………………. (b) The atomic number of a radioactive element is not changed when it emits …………………………… (c ) During the emission of a beta particle, the ................. number remains same.

The atomic number and the mass number of an element is 26 and 56 respectively. Calculate the number of electrons, protons and neutrons in its atom. Draw the structure.

The mass number and atomic number of Tritium respectively are

The atomic number and the mass number of an element M are 12 and 24 respectively . Calculate the number of neutrons in an atom of the element.

Atomic number and mass number of an element M are 25 and 52 respectively. The number of electrons, protons and neutrons in M^(+2) ion are respectively.

Atomic number and mass number of an element M are 25 and 52 respectively. The number of electrons, protons and neutrons in M^(+2) ion are respectively.