1. analyze equations of Rutherford scattering
2. deduce the value of atomic mass unit in kg and in Mev
3. study 20 element from z=1 to z= 20 using tables and figures
What is the mass of one curie of polonium P0 its half life time = 26.8 min
Calculate the weight in grams of one curie of Co60 it’s half life time= 5.3 year.