Chemistry & Chemical Reactivity
Solutions
Chemistry & Chemical Reactivity
There are two isotopes of americium, both with half-lives sufficiently long to allow the handling of large quantities. Americium-241, with a half-life of 432 years, is an α emitter used in smoke detectors. The isotope is formed from 239Pu by absorption of two neutrons followed by emission of a β particle. Write a balanced equation for this process.
Interpretation: The balanced nuclear equation for the synthesis of
Concept introduction:
Balancing nuclear reaction equation: The balanced nuclear reaction should conserve both mass number and atomic number.
- The sum of the mass number of the reactants should be equal to the sum of mass number of the products in the reaction.
- The sum of atomic number (or the atomic charge) of the reactants should be equal to the sum of atomic number (or the atomic charge) of the products in the reaction.
The isotope of
The balanced equation is given below:
 Â
Chapter 25 Solutions
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