Used in carbon dating, the carbon isotope 1C is radioactive. It decays according to the equation c-N +X+Y What are X and Y? Y A beta positive particle A beta negative particle An electron neutrino An anti-electron neutrino
Q: A radioactive material initially is observed to have an activity of 1000 decays per second. If 9.0…
A: Given : A0 = 1000 decays/sec A = 100 decays/sec t = 9 hours
Q: 6A. Choose the correct daughter isotope to complete the alpha decay equation below. The nuclear…
A: Step 1: Given, parent nucleus is radium (Ra) isotope with mass number 219 and atomic number 88.we…
Q: P34 Th→ 234 Pa + fe 90 This is an example of: (circle one) 91 Alpha decay Beta decay Positron…
A: Alpha decay :when a nuclei is under alpha decay its atomic number is…
Q: 3 One method of producing neutrons for experimental use is to bombard Li with protons. The neutrons…
A: The left side of the equation consists of a proton (¹H) and Lithium (7Li). The atomic mass of a…
Q: Find the energy released when 21¹ Pb undergoes - decay to become 21¹Bi. Be sure to take into account…
A: Energy release calculate by using formula, E = | ∆ m | × c2 We need some more data which is we get…
Q: A sample of radioactive material contains 1x 1014 atoms and has an activity of 6.3 x 1011 Bq. What…
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Q: 226 Ra 88 222 Rn + X 86
A: In all nuclear reaction mass number (mass) as well as atomic number (charge) remains conserved
Q: A freshly prepared sample of a certain radioactive isotope has an activity of 3,7 × 1011 decays/s.…
A: Given quantities: initial activity of the isotope (A0) = 3.7 × 1011 decays/s activity of the isotope…
Q: What type of decay happens when a neutron decays into a proton and then emits and electron and…
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Q: The table shows two isotopes of potassium and two isotopes of calcium. 39K 42K Stable B-decay…
A: GivenMass of electron (me) = 0.000549 uMass of proton (me) = 0.000549 uMass of neutron (me) =…
Q: Strontium is chemically similar to calcium and can replace calcium in bones. The radiation from ⁹⁰Sr…
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Q: In the formula E=mc2, the letter c stands for: the speed of an electron around the nucleus the…
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Q: 190- Some nucleus of ¹9X (atomic mass = 189.96182 u) undergoes decay to become (atomic mass =…
A: The mass of the parent nucleus is 189.96182 u. The mass of the daughter nucleus is 189.95844 u.
Q: 3. Decay of a radioactive material takes place according to the data given in Table 2. Find the…
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Q: Plutonium-239, recovered from dismantled atomic weapons, undergoes simultaneous alpha and gamma…
A: mass of plutonium waste = 80 kg half life of plutonium = 24000 years energy of emitted photon =…
Q: 18 O What is the binding energy per nucleon of the ruther- fordium isotope Rf? Here are some atomic…
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Q: Radioactive decay: A certain substance has a half-life of 5.0 hours. How many nuclei of the…
A: Recall that the activity of a radioactive substance is defined as follows:A=λNWhere:- A is the…
Q: A nucleus of phosphorus (P) decays to a nucleus of silicon (Si) with the emission of particle X and…
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Q: A alpha particle is O A. an electron emitted by a larger nucleus. O B. a form of highly penetrating…
A: Particles containing two protons and two neutrons are known as alpha particles. They are emitted by…
Q: What is the nuclear equation for Gd (alpha decay)? 64
A: Answer C
Q: Zinc Zn nucleus produced in a nuclear reactor undergoes beta-plus decay. Determine the daughter…
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Q: Calculate the binding energy for Nickel. Nickel has an atomic mass of 58.69u, a mass number of 59…
A: Given that, The atomic mass of Nickel = 58.69 u Mass number = 59 Atomic number = 28 Number of…
Q: What is the energy of the antineutrino, if a phosphorus-32 atom ( 31.97390u) beta-decays into a…
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Q: 5. Polonium-210 (210 8 Po) has an atomic mass of 209.982848 u and decays via the emission of an ..…
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Q: 15O and 131I are isotopes used in medical imaging. 15O is a beta-plus emitter, 131I a beta-minus…
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Q: 44 Figure 42-19 shows the decay of parents in a radioactive sample. The axes are scaled by N, = 2.00…
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Q: In the reaction n+ 12C → a ±? , what is the product nucleus?
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Q: A radioactive isotope with an intensity (activity) of 100 mCi per vial is delivered to a hospital.…
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Q: Use the following table of atomic masses to determine the energy released in the alpha decay of 243,…
A: Result 5.43 MeV Solution
Q: A parent atom decays and the daughter atom has one more proton than the parent. The most likely…
A: When negetive beta decay happened then as a result in daughter nucleus the proton is one more than…
Q: What conservation law requires an electron’s neutrino to be produced in electron capture? Note that…
A: According to the law of conservation, number of electrons is constant.
Q: hen radium-226 (Z = 88) decays to radon-222 (Z=86), the other particle emitted is an alpha…
A: Given information: The radium nucleus is, 88226Ra This decays into radon nucleus, 86222Rn
Q: Platinum-175 decays through alpha decay and forms osmium-171. Estimate the kinetic energy of the…
A: Alpha decay is one of the three main forms of radioactive decay. In alpha decay, the unstable…
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- Strontium is chemically similar to calcium and can replace calcium in bones. The radiation from 90Sr can damage the bone marrow where blood cells are produced, and lead to serious health problems. How long would it take for all but 0.01% of a sample of 90Sr to decay? It is known that the isotope half life is 28.8 years.-14 (a) Find the speed an alpha particle requires to come within 3.4 x 10 m of an iron nucleus. 19.35*10**6 X Your response differs from the correct answer by more than 10%. Double check your calculations. m/s (b) Find the energy of the alpha particle in MeV. 7.79 Your response differs from the correct answer by more than 100%. MeVAn unknown isotope has an atomic number, Z 15 and atomic mass number, A = 32. It decays via beta decay and emits an electron and antineutrino. %3D How many protons and neutrons are in the resulting daughter nuclide? o 16 protons 16 neutrons o 15 protons 17 neutrons o 13 protons 15 neutrons o 14 protons 17 neutrons o 14 protons 18 neutrons
- A sample of an unknown radioactive isotope initially weighs 5.00 g. One year later the mass has decreased to 4.27 g. What is the half life of the isotope? * 4.39 years O 5.39 years O 6.39 years O 7.39 yearsWhich one of the following processes is illustrated by this reaction? 238 Th 34 Ra + He 90 O alpha decay O gamma decay O neutrino emission O positron emission O beta decayCalculate the binding energy of Al-28, and the transition energy of the Al-28/Si-28 beta-minus decay. Al-28 protons neutrons electrons component mass Al-28 mass mass defect multiply by 931.5 MeV/amu number Al-28 mass Si-28 mass Mass Defect multiply by 931.5 MeV/amu amu 1.007277 1.008665 0.000549 27.981910 27.976927 total 27.981910 What is the relationship between the transition energy associated with a particular radioactive decay and the half-life of the radionuclide parent?
- The helium isotope He is unstable. What kind of decay would you expect it to undergo? gamma decay lambda decay No decay occurs. O alpha decay beta decay What would the resulting nuclide be? O Li O Li Be O Li O&Be XA 200.0 - mCi sample of a radioactive isotope is purchased by a medical supply house. If the sample has a half - life of 14.0 days, how long will it keep before its activity is reduced to 20.0 mCi?C ! J 1 O F1 A 5. What is the energy released in this B+ nuclear reaction CIS+e? (The atomic mass of Cl is 31.98569 u and that of 32S is 31.972071 u) X-9.216 MeV 2 Fő: F2 W S # 3 80 F3 E $ 4 F4 R TI % 5 G A 6 Submit Assignment MacBook Air & 7 H F7 8 DII FB K Show my other submissions F9 0 F10 F11 +
- 50 Write the complete nuclear equation for atoms undergoing electron capture. 901 Ag + L47 116. Sn + 78 123 53244 The nucleus Pu is radioactive and emits an a particle. Into which nucleus does it decay? 95 Am 240- 93 240 U 92 248 96 248U 92The polonium isotope 210/84 Po undergoes alpha decay to become an isotope of lead. The atomic number of this isotope is and the mass number is