What eventually happens to all radioactive isotopes? A. They become stable after one half-life.
B. They emit particles, electromagnetic radiation, or both.
C. They absorb energy when they decay.
D. They are pulled apart by strong nuclear forces.

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity