Predict the type of radioactive decay process for the following radionuclides: (a) 8 5B, (b) 68 29Cu, (c) phosphorus-32, (d) chlorine-39
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Q: Find the activity A of a sample containing 4E-6 g of 60/27 Co (T1/2= 5.27 years). (Use 59.93 u as…
A:
Predict the type of radioactive decay process for the following radionuclides: (a) 8 5B, (b) 68 29Cu, (c) phosphorus-32, (d) chlorine-39
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- 1) Complete the following nuclear fission reaction of thorium-232. 232Th + n → 99Kr + 124Xe + ? a) 4He b) 10B c) 10n d) 11n e) 11B 2) Calculate the energy released in the reaction. The atomic masses are 232Th = 232.038051 u, 99Kr = 98.957606 u, and 124Xe = 123.905894 u. (Express your answer to five significant figures).Identify the daughter nuclide, the type of decay (for natural transmutations) and the nuclear reactiond) A radioactive source has an activity of 3.6x107 Bq due to the decay of a radioisotope with a half-life of 7250 years. Calculate i) The decay constant ii) The initial number of atoms present.
- The following four questions either use T for true or F for false 7. The resulting daughter nucleus in a ß-decay and the original parent nucleus are two isotopes. ( ) 8. The probability per unit time that a radioactive nucleus decays in the next second depends on the type of the nucleus. () 9. The binding energy of a nucleus is equal to the energy which is necessary to break the nucleus into its constituent nucleons. ( 10. In gamma reaction the recoil energy Er is larger than the reaction energy Q (Question 1: The table shows two isotopes of potassium and two isotopes of calcium. 39K 39 Ca Stable ß* decay 38.96371 38.9707 Type of emission Mass of neutral atom / u Number of electrons Number of protons Number of neutrons Total mass/u Mass defect / u Binding energy / J 42K ß decay 41.9624 Mass of the neutron = 1.008665 u 19 19 ta min 23 42.34797 0.38557 5.76 x 10-11 2 051 oqque 42 Ca stable 41.95863 Mass of the electron = 0.000549 u Mass of the proton = 1.007276 url millons voled pringle bre noljenimaxe al prderobny v nollenimexe erit lo anpitibnco art di ballamos svar en talean blow tert elshatem vos maxe erii otni triquonion aver a) Use data about potassium-42 to explain the concept of mass defect. oo will teanu snimaxe edt sot jaqeq maxe eft overmat ym of 820308 ever b) Complete the table and to calculate the mass defect and binding energy of 39K. Show your calculations in the space below.Europium-141 undergoes a radioactive decay according to the pictured equation (a) Balance the equation for the decay (b) Calculate the reaction energy (c) Is the reaction alpha, beta, or neither type of decay
- Identify the daughter nuclide, the type of decay (for natural transmutations) and the nuclear reactionIf 88 (atomic number) 228 (atomic mass) ?? is produced, determine the parent isotope for each of the following types of decay and justify your answer. a) alpha decay b) beta negative decay c) beta positive decayA nuclear/ radioactive decay may be best expressed as ON= N₂ ext ON= N₂ e-1/At ON = No et, where the symbols have their own significances O N₂ = Next