Elements 104, 105, and 106 have been named rutherfordium (Rf), dubnium (Db), and seaborgium (Sg), respectively. These elements are synthesized from californium-249 by bombarding with carbon-12, nitrogen-15, and oxygen-18 nuclei, respectively. Four neutrons are formed in each reaction as well. (a) Write balanced nuclear equations for the formation of these elements. 249 12 257 Rf: 98 Cf+ 6 C 40n+104 Rf 249 15 1 260 Db: 98 Cf+ 7 N 40n+105 Db 263 4on+106 Sg 249 18 1 Sg: 98 Cf+ s O (b) Write the equations in shorthand notation. (For this part, omit all atomic numbers for the nuclides.) Rf: Db: Sg:
Elements 104, 105, and 106 have been named rutherfordium (Rf), dubnium (Db), and seaborgium (Sg), respectively. These elements are synthesized from californium-249 by bombarding with carbon-12, nitrogen-15, and oxygen-18 nuclei, respectively. Four neutrons are formed in each reaction as well. (a) Write balanced nuclear equations for the formation of these elements. 249 12 257 Rf: 98 Cf+ 6 C 40n+104 Rf 249 15 1 260 Db: 98 Cf+ 7 N 40n+105 Db 263 4on+106 Sg 249 18 1 Sg: 98 Cf+ s O (b) Write the equations in shorthand notation. (For this part, omit all atomic numbers for the nuclides.) Rf: Db: Sg:
Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Elements 104, 105, and 106 have been named rutherfordium (Rf), dubnium (Db), and seaborgium (Sg),
respectively. These elements are synthesized from californium-249 by bombarding with carbon-12,
nitrogen-15, and oxygen-18 nuclei, respectively. Four neutrons are formed in each reaction as well.
(a) Write balanced nuclear equations for the formation of these elements.
249
12
257
Rf:
98 Cf+ 6 C
40n+104 Rf
249
15
1
260
Db:
98 Cf+ 7 N
40n+105 Db
263
4on+106 Sg
249
18
1
Sg:
98 Cf+ s O
(b) Write the equations in shorthand notation. (For this part, omit all atomic numbers for the nuclides.)
Rf:
Db:
Sg:
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