1. The half-life of mercury-197 is 64.1 hours.

If a patient undergoing a kidney scan is given 5.0 ng of mercury-197,After 32 days? a._____ng

2. Meitnerium-266 (266109Mt) was prepared in 1982 by bombardment of bismuth-209 atoms with iron-58.

What other product must also have been formed?

Express your answer as an isotope.

3. Write a balanced nuclear equation for the transformation.

Express your answer as a nuclear equation.

4. For centuries, alchemists dreamed of turning base metals into gold. The dream finally became reality when it was shown that mercury-198 can be converted into gold-198 on bombardment by neutrons.

What small particle is produced in addition to gold-198?

Express your answer as an isotope.

5. Write a balanced nuclear equation for the reaction.

Express your answer as a nuclear equation.