How many do you find out what a particle count is for barium- 137 ?

First, you need to know the proton number of the particle is 56. And the molar mass is 137. So the neutron number is 81. Then the particle will be Barium-137. The neutron number is important because the barium has many isotopes which all have the same proton number.

The general characteristics of blood are red iron and heat the three types of formed element cells are blood cells, white blood cells and , iron cells