After 42 days, a 4.0-g sample of phosphorus-32 contains only 0.50 g of isotope. What is the half-life of phosphorus-32?

chemists can use the electron cloud model to assign electrons to different atomic orbitals. atomic orbitals also explain the patterns in the periodic table

explanation:

answer; blank (1); /// (2)///(3)///highblank(4)//low;