What is mass number of an atom?

The atomic mass of Th is 232 and its atomic number is 90. In terms of its radioactivity six alpha and four beta particles are emitted. What is the mass number and atomic number of the product.

What is atomic number?

In a series of radioactive decays, if a nucleus of mass number 180 and atomic number 72 decays into another nucleus of mass number 172 and atomic 69, then the number of alpha and beta particles released respectively are

Calculate the number of neutrons in the remaining atom after emission of an α particle from 92^(X^(238)) atom. also report the mass number and atomic number of the product atom.

An atom which has a mass number of 14 and 8 neutrons is an

A radioactive nucleus (initial mass number A and atomic number Z) emits 2alpha and 2 positrons. The ratio of number of neutrons to that of proton in the final nucleus will be

What is atomic mass number. Mention its formula?