Part 1: Writing Radioactive Decay Reactions (5.2) lodine-131 (131I) isotope undergoes beta decay. 1. Write the symbol for the beta particle released by iodine-131 (show the respective superscript and subscript values). 2. In the nuclear equation for beta decay of iodine-131, does the beta particle appear on the reactant or product side of the arrow? Why?

Part 1: Writing Radioactive Decay Reactions (5.2) lodine-131 (131I) isotope undergoes beta decay. 1. Write the symbol for the beta particle released by iodine-131 (show the respective superscript and subscript values). 2. In the nuclear equation for beta decay of iodine-131, does the beta particle appear on the reactant or product side of the arrow? Why?

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter20: Nuclear Chemistry

Section: Chapter Questions

Problem 6PE

See similar textbooks

Similar questions

Part 2: Balancing Nuclear Reactions (5.2) 238 92U. 23Th + He 90 1. Identify the reactants and products in the above reaction. 2. For each element, what do the top (superscripted) and the bottom (subscripted) numbers represent respectively? 3. How many protons and neutrons are found in the uranium isotope used above? 4. How many protons and neutrons are found in the thorium isotope used above? 5. What is the difference in, a. the number of protons between U and Th? b. the number of neutrons between U and Th? c. the mass number between U and Th? 6. How do you explain these differences with respect to the nuclear reaction above?
X3.B.45 Use the table to the right to answer the following question. Item Energy (joules) How many kilograms of isotope would be required to supply the energy needs of Energy released by burning 1 kg of a certain combustible sedimentary rock country A for 1 year? 1.6x 109 Energy released by fission of 1 kg of a certain isotope 5.6x 10 13 Energy released by fusion of hydrogen in 1 liter of water Country A annual energy consumption Country B annual energy consumption 7x1013 1x 1021 3x 1020 It would take approximately 1.786x 10' kilograms. (Use scientific notation. Use the multiplication symbol in the math palette as needed. Round to three decimal places as needed.)
The table below is a summary of different modes of nuclear decay. Fill in the changes in atomic number (Z), number of neutrons (N), and mass number (A) in each case. Use “+” sign for increase, “–“ sign for decrease, and “0” for no change. Provide the symbol for each elementary particle involved in the decay process. (12 points) Decay Mode Particle Symbol Change in: Change in: Change in: Z N A Alpha decay 4/2α Beta decay 0/-1 β Positron decay 0/+1 β Electron capture 0/-1 e
Part 2: Balancing Nuclear Reactions (5.2) 238U → 234Th + $He 90 2. For each element, what do the top (superscripted) and the bottom (subscripted) numbers represent respectively? 6. How do you explain these differences with respect to the nuclear reaction above?
Potassium-40, which is presumed to have existed at the formation of the Earth, is used for dating minerals. If three-fifths of the original potassium-40 exists in a rock, how old is the rock?Given: Potassium-40 t1/2 = 1.26 Ga; (1a = 1yr)
[2.3 part, 2.4] Question 7 Uranium-235 decays spontaneously by nucleon emission. a) Write a balanced equation to show the decay of Uranium-235, 23u, that leads to the formation of Uranium- 234 and name all the particles involved b) Write a balanced equation to show the decay of Uranium-235, U, that leads to the formation of Thorium-231. Name all the particles involved. [2.3 part, 2.4 part]
48. If the decrease between 18 and 24 years in mass of radioactive matter is 4g, find its initial mass. Half life of this matter is 6 years. (5 pts)
5.64 Complete each of the following nuclear equations: (5.2) a. ? + Co Mn + He 25 27 b. ? N+ e c. e + Kr ? 241 d. He + Am →? + 2,n 2n
(Q110) The first five steps of the decay of neptunium-237 are alpha, beta, alpha, alpha, beta decay. Identify each daughter nuclide produced. (Please write - and spell correctly - the full name of the element, a dash, and then the mass number, e.g., Xenon-121, Curium-252, Astatine-212, etc.) First decay: Protractinium-232 Second decay: Third decay: Fourth decay: Fifth decay:
(Q103) The "goal" of spontaneous decay experienced by unstable nuclides is to: Decrease the number of protons Achieve an n:p ratio of 1:1 Increase the proton-proton repulsions Decrease the nuclear mass O Lie closer to the valley of stability
5.2a Write the atomic symbol for the product of the alpha decay of selenium- 75. O O 32 Ge Kr 36 O 35 Br O AS SUBMIT
60-Co beta decays with half- life of 5.27 years (1.66 x108 sec) into 60Nİ, which then promptly emits two gamma rays. These gamma rays are widely used in treating cancer. What is the mass (in gram) of a 10000-Ci cobalt source? (Given that one mole of 60-Co has a mass of 60 g) a. 0.00882 O b. 8.82 c. 0.882 O d. 8820