A radioactive element, A, with a mass of 212 and atomic number 84, emits an alpha particle and changes into element B. Element B emits a beta particle and is converted to element C. a) Write nuclear equations for the formation of elements B and C. b) What are the atomic masses and atomic number of elements A, B and C? c) Name elements A, B and C.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
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Chapter18: Nuclear Chemistry
Section18.2: Nuclear Reactions
Problem 18.1PSP
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A radioactive element, A, with a mass of 212 and atomic number 84, emits an alpha
particle and changes into element B. Element B emits a beta particle and is converted
to element C.
a) Write nuclear equations for the formation of elements B and C.
b) What are the atomic masses and atomic number of elements A, B and C?
c) Name elements A, B and C.

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