A radioactive atom having atomic mass 236 and atomic number "90" disintegrates by emitting p a- particles and `q beta` -particles only.If the atomic mass of final atom is 212 and atomic number is 80, then the value of p times q is

An atom has atomic mass 232 and atomic number 90. During the course of disintegration, it emits 2 beta -particles and few beta -particles and few alpha -particles. The resultant atom has atomic mass 212 and atomic number 82. How many alpha -particles are emitted during this process?

An atom has atomic mass 232 atomic number 90. During the course of disintegration, it emits 2 beta particles and few alpha particles. The resultant atom has atomic mass 212 and atomic number 82. How many alpha particles are emitted during this process?

Which particles determine the mass of an atom ?

The atomic mass of helium is 232 and its atomic number is 90. During the course of its radioactive disintegration 6 alpha and 4 beta -particles are emitted. What is the atomic and atomic number of the final atoms?

The atomic mass of thorium is 232 and its atomic number is 90. During the course of its radioactive disintegration 6 alpha and 4 beta particles are emitted. What is the atomic mass and atomic number of the atom?

A radioactive element ._(Z)X^(4) whose atomic mass is A and atomic number is Z emits an alpha -particle and gamma -rays. What is the atomic number and atomic mass of the newly formed (daughter) atom?

A uranium nucleus U-238 of atomic number 92 emits two alpha - particles and two beta -particles and trasnforms into a thorium nucleus. What is the mass number and atomic number of the thorium nucleus so produced?