Question 1

List the different types of nuclear radiation (alpha, beta, gamma)  in order of increasing penetrating power.

Accepted Answer

A)   alpha 
B)   beta 
C)   gamma 
D)   gamma 
E)   alpha < gamma < betaF) None of the above
G) B) and D)

Question 2

In the following reaction, identify X.  92238U(15n,X) 99253Es{ }_{92}^{238} \mathrm{U}(15 \mathrm{n}, \mathrm{X}) { }_{99}^{253} \mathrm{Es}92238​U(15n,X) 99253​Es

Accepted Answer

A)   7b
B)   3a
C)   4n
D)    7+1   0e7_{+1}^{~~~0} \mathrm{e}7+1   0​e 
E)   15p F) C) and D)
G) All of the above

Question 3

Complete and balance the nuclear equation  87223Fr→−10β+{ }_{87}^{223} \mathrm{Fr} \rightarrow{ }_{-1}^{0} \beta+87223​Fr→−10​β+  ________

Accepted Answer

A)    86223Rn{ }_{86}^{223} R n86223​Rn 
B)    86222Rn{ }_{86}^{222} R n86222​Rn 
C)    88223Ra{ }_{88}^{223} R a88223​Ra 
D)    88222Ra{ }_{88}^{222} \mathrm{Ra}88222​Ra 
E)   None of the above F) A) and B)
G) A) and C)

Question 4

Consider the following decay series:  84218Po→a82214 Pb→ b83214Bi→c84214Po→ d82210 Pb{ }_{84}^{218} \mathrm{Po} \xrightarrow{\mathrm{a}}{ }_{82}^{214} \mathrm{~Pb} \xrightarrow{\mathrm{~b}}{ }_{83}^{214} \mathrm{Bi} \xrightarrow{\mathrm{c}}{ }_{84}^{214} \mathrm{Po} \xrightarrow{\mathrm{~d}}{ }_{82}^{210} \mathrm{~Pb}84218​Poa​82214​ Pb b​83214​Bic​84214​Po d​82210​ Pb  Which type of nuclear process occurs in steps a and b, respectively

Accepted Answer

A)   aemission, a emission
B)   aemission, b emission
C)   bemission, positron emission
D)   bemission, a emission
E)   positron emission, b emission F) B) and E)
G) A) and D)

Question 5

Protactinium-234 has a half-life of 1 minute. How much of a 400. g sample protactinium would remain after 4 minutes

Accepted Answer

A)   23 g
B)   25 g
C)   27 g
D)   29g
E)   None of the aboveF) C) and D)
G) A) and C)

Question 6

Beta particles are identical to

Accepted Answer

A)   protons.
B)   helium atoms.
C)   hydrogen atoms.
D)   helium nuclei.
E)   electrons.F) B) and C)
G) All of the above

Question 7

Tritium is a radioisotope of hydrogen having a half-life of 12.3 years. If you initially had 1.0 * 10-7 mole of tritium, how many moles of tritium would be left after 78 years

Accepted Answer

A)   8.0 * 10-10 mol
B)   1.0 * 10-9 mol
C)   1.2 * 10-9 mol
D)   1.4 * 10-9 mol
E)   None of the aboveF) A) and B)
G) B) and C)

Question 8

Consider the following decay series:  What type of nuclear process occurs at the transformation labeled II

Accepted Answer

A)   aemission
B)   bemission
C)   positron emission
D)   electron capture
E)   gamma radiationF) A) and B)
G) None of the above

Exam 19: Nuclear Chemistry

Tritium is a radioisotope of hydrogen having a half-life of 12.3 years. If you initially had 1.0 * 10^-7 mole of tritium, how many moles of tritium would be left after 78 years

Correct Answer
verified

List the different types of nuclear radiation (alpha, beta, gamma) in order of increasing penetrating power.

Correct Answer
verified

In the following reaction, identify X. ${ }_{92}^{238} \mathrm{U}(15 \mathrm{n}, \mathrm{X}) { }_{99}^{253} \mathrm{Es}$

Correct Answer
verified

Complete and balance the nuclear equation ${ }_{87}^{223} \mathrm{Fr} \rightarrow{ }_{-1}^{0} \beta+$ ________

Correct Answer
verified

Consider the following decay series: What type of nuclear process occurs at the transformation labeled II

Correct Answer
verified

Beta particles are identical to

Correct Answer
verified

Protactinium-234 has a half-life of 1 minute. How much of a 400. g sample protactinium would remain after 4 minutes

Correct Answer
verified

Correct Answer
verified

Exam 19: Nuclear Chemistry

Tritium is a radioisotope of hydrogen having a half-life of 12.3 years. If you initially had 1.0 * 10-7 mole of tritium, how many moles of tritium would be left after 78 years

Correct AnswerverifiedShow Answer

List the different types of nuclear radiation (alpha, beta, gamma) in order of increasing penetrating power.

Correct AnswerverifiedShow Answer

In the following reaction, identify X. 92238U(15n,X) 99253Es{ }_{92}^{238} \mathrm{U}(15 \mathrm{n}, \mathrm{X}) { }_{99}^{253} \mathrm{Es}92238​U(15n,X) 99253​Es

Correct AnswerverifiedShow Answer

Complete and balance the nuclear equation 87223Fr→−10β+{ }_{87}^{223} \mathrm{Fr} \rightarrow{ }_{-1}^{0} \beta+87223​Fr→−10​β+ ________

Correct AnswerverifiedShow Answer

Consider the following decay series: What type of nuclear process occurs at the transformation labeled II

Correct AnswerverifiedShow Answer

Beta particles are identical to

Correct AnswerverifiedShow Answer

Protactinium-234 has a half-life of 1 minute. How much of a 400. g sample protactinium would remain after 4 minutes

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Tritium is a radioisotope of hydrogen having a half-life of 12.3 years. If you initially had 1.0 * 10^-7 mole of tritium, how many moles of tritium would be left after 78 years

Correct Answer
verified

Correct Answer
verified

In the following reaction, identify X. ${ }_{92}^{238} \mathrm{U}(15 \mathrm{n}, \mathrm{X}) { }_{99}^{253} \mathrm{Es}$

Correct Answer
verified

Complete and balance the nuclear equation ${ }_{87}^{223} \mathrm{Fr} \rightarrow{ }_{-1}^{0} \beta+$ ________

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified