Nuclear reactions

1

If an element is represented as _{Z}^{A}\textrm{X}, what is the number of neutrons?

2

How do the atomic number and mass number of a nucleus change during alpha decay?

3

How do the atomic number and mass number of a nucleus change during beta decay?

4

Which of the following is the most accurate description of fission?

5

Which of the following is the most accurate description of nuclear fusion?

6

This question concerns the following nuclear fission reaction.

_{92}^{235}\textrm{U}+_{0}^{1}\textrm{n}\rightarrow_{55}^{138}\textrm{Cs}+_{37}^{96}\textrm{Rb}+2_{0}^{1}\textrm{n}

Where masses of particles are:

ElementAtomic Mass (kg)
_{92}^{235}\textrm{U} 3.9014 \times 10^{-25}
_{55}^{138}\textrm{Cs} 2.2895\times 10^{-25}
_{37}^{96}\textrm{Rb} 1.5925 \times 10^{-25}
_{0}^{1}\textrm{n} 1.6750\times 10^{-27}

Calculate the mass defect of the reaction.

7

This question concerns the following nuclear fission reaction.

_{92}^{235}\textrm{U}+_{0}^{1}\textrm{n}\rightarrow_{55}^{138}\textrm{Cs}+_{37}^{96}\textrm{Rb}+2_{0}^{1}\textrm{n}

Where masses of particles are:

ElementAtomic Mass (kg)
_{92}^{235}\textrm{U} 3.9014 \times 10^{-25}
_{55}^{138}\textrm{Cs} 2.2895 \times 10^{-25}
_{37}^{96}\textrm{Rb} 1.5925 \times 10^{-25}
_{0}^{1}\textrm{n} 1.6750 \times 10^{-27}

Calculate the energy converted from mass in the nuclear reaction.

8

This question concerns the following nuclear fusion reaction.

_{1}^{2}\textrm{H}+_{1}^{3}\textrm{H}\rightarrow_{2}^{4}\textrm{He}+_{0}^{1}\textrm{n} with masses:

ElementAtomic Mass (kg)
_{1}^{2}\textrm{H} 3.345 \times 10^{-27}
_{1}^{3}\textrm{H} 5.008 \times 10^{-27}
_{2}^{4}\textrm{He} 6.647 \times 10^{-27}
_{0}^{1}\textrm{n} 1.6750 \times 10^{-27}

Calculate the mass defect of the reaction.

9

This question concerns the following nuclear fusion reaction.

_{1}^{2}\textrm{H}+_{1}^{3}\textrm{H}\rightarrow_{2}^{4}\textrm{He}+_{0}^{1}\textrm{n} with masses:

ElementAtomic Mass (kg)
_{1}^{2}\textrm{H} 3.345 \times 10^{-27}
_{1}^{3}\textrm{H} 5.008 \times 10^{-27}
_{2}^{4}\textrm{He} 6.647 \times 10^{-27}
_{0}^{1}\textrm{n} 1.6750 \times 10^{-27}

Calculate the energy converted from mass difference in the nuclear reaction.

10

Which of the following is NOT a practical difficulty in establishing a sustainable fusion reaction.