Answer:
Silicon-32
Step-by-step explanation:
The name of this specific silicon isotope is, Silicon-32 Silicon is a chemical element that has atomic number 14 and is located in group 14 in the periodic table. Silicon has 23 recognized isotopes with mass numbers from 22 to 44. The oldest lived radioisotope is Silicon-32 and its half-life has been examined to be around 150 years. Hope this helped :D