Question 1
What is the binding energy, in amu, of
13C? Masses are: proton = 1.00728 amu, neutron = 1.00867 amu, electron = 0.00055 amu, and
13C = 13.00335 amu.
◦ 0.10432 amu
◦ 0.0102 amu
◦ 0.10487 amu
◦ 0.10817 amu
◦ 0.00335 amu
Question 2
What is the decay constant for
131I if the half-life is 8.04 d?
◦ 9.98 × 10
-7 s
-1◦ 9.31 × 10
-5 s
-1◦ 3.48 × 10
-6 s
-1◦ 4.81 × 10
-4 s
-1