Solved: An Unknown Element Contains 35 Protons, 36 Electro... | ...
<span>Radioactive isotope, also called radioisotope, radionuclide, or radioactive
nuclide, any of several species of the same chemical element with
different masses whose nuclei are unstable and dissipate excess energy
by spontaneously emitting radiation in the form of alpha, beta, and
gamma rays.</span>
CaCl2 +Na2CO3 ====>Nacl+CaCO3
