Which of the following is a positron? (A B C D) D He

Q: A fragment of wood has a 14C activity of 0.0638 Bq/g. A living tree has a 14C activity of 0.2552…

A: Dear student,The half life of C-14 is not given in the question , but as it is a standard value we…

Q: 108, 108In → 40- 48cd + ? Which of the following needs to be included on the right hand side in…

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Q: nuclear reactions

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Q: e binding energy as the nuclide disintegrate (a) per nucleon in MeV .

A: (a) Binding energy: The energy required to separate the nucleus into individual protons and neutrons…

Q: What is the other product (besides an alpha particle) when 14 Gd undergoes alpha decay?

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Q: The function of the moderator in a nuclear is to O stop chain reaction Reduce the speed of neutrons…

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Q: What is the nuclear binding energy of a nucleus?

A: The mass lost in the formation of a nucleus is converted into energy in accordance with Einstein's…

Q: 19) What is the amount of starting material when 0.25-g remain and the number of half-lives is 3.72

A: The amount of starting material is expressed by the relation, A=A02n where A is the amount of…

Q: When a radioisotope is used as a tracer, it is used a. for therapeutical purposes b. to kill…

A: Given,  A radioisotope is used as a tracer. Trace element is the one whose concentration is very…

Q: 25Cf + 19B → 3 in 252 Cf + +

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Q: When 32P is converted to 32S the particle produced is: beta alpha gamma proton positron

A: In this decay, mass no. Remains same but atomic no. Increases by one and beta particle is emitted.

Q: Obtain the mass defect (in amu) and binding energy (in MeV) for the 5828Ni nucleus.What is the…

A: Nickel -58 has : 28 protons. 30 neutrons. Mass of one: Proton = 1.007825 amu Neutron = 1.008665…

Q: How many nuclei of Uranium-238 remain in a rock if the activity registers 464. decays per second?

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Q: Write balanced nuclear equations for 1) the loss of a positron by Y-85

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Q: Which of the following is a positron? (A) B He

A: Interpretation: We have to tell which of the following is positron.

Q: d) the alpha emission resulting in the formation of Protactinium-233 e) the loss ofa positron by…

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Q: What is the specific activity (in Ci/g) if 1.65 mg of anisotope emits 1.56X10⁶ α particles per…

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Q: Which of the following symbols represents a positron? A) ⁰₊₁e B) ⁰₋₁e C) ⁴₂He D) γ

A: Given Symbol A) ⁰₊₁e B) ⁰₋₁e C) ⁴₂He D) γ Symbol of positron = to be determined

Q: Lutetium-177 is an ideal therapeutic radioisotope because it is a strong B emitter and emits just…

A: When a radioactive nucleus decays, it produce the daughter nuclei (nuclide left over after…

Q: write a balanced nuclear equationfor the following reaction:   Neon-20 is formed when a nucleus…

A: Positron is a type of β particle which carries a charge of +1. Equation when a nucleus, X emits a…

Q: Neon-20  is formed when a nucleus emits s positron.

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Q: -y positron emission?

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Q: When 60Cu undergoes electron capture , what is the immediate nuclear product? When 60Cu undergoes…

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Q: A Geiger counter is set to click once for every 100 disinte- grations that it detects. The counter…

A: Given conversion factor is: 1 click = 100 disintegration(d)

Q: Iron-56, ⁵⁶₂₆Fe, has a binding energy per nucleon of 8.79 MeV. (1 MeV = 1.60 × 10⁻¹³ J). Determine…

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Q: Define A, Z, and X in the following notation used to specify a nuclide: A?

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Q: What nuclide is formed when ²¹Na undergoes positron emission? A) ²²Na B) ²¹Ne C) ²¹Na D)…

A: Positron emission or beta plus decay (β+ decay) is a type of radioactive decay in which a positron…

Q: 7. What is the symbol for a positron? +1 e -1 +1

A: Positron is particle which don't have any mass but it has unit positive charge .

Q: a z decays by emitting positron to forms a new element X. Which of the following choices best…

A: In positron emissions, a proton decays and creates a neutron.

Q: Explain why 20Na is more likely to undergo positron emission than beta decay.

A: Given data, 20Na

Q: Be sure to answer all parts. A laboratory rat weighs 265 g and absorbs 1.52 x 1010 B particles, each…

A: There are different units for any particular ionizing radiation dose. The unit Sievert (Sv) and the…

Q: c. Luster of 6 Isotope resulted from? a. Natural radioactive decay 6. Substitution of another…

A: Option a) & c) are the correct choices.

Q: A new painting supposedly painted by Michelangelo (1475-1564) is authenticated by C-14 dating. The…

A: The radioactive decay of an element follows the first-order kinetics. Therefore, the integrated rate…

Q: Calculate the mass defect and binding energy for C13 nucleus?

A: The mass defect and binding energy of C13 nucleus can be calculated as

Q: Be (p ,a) →

A: Complete the given nuclear reaction ----

Q: Nitrogen-13 undergoes positron production. What is the name of the other product nuclide in the…

A: Radioactive decay or radioactive emission is the process by which an unstable nuclei emit a nuclear…

Q: When 24Na undergoes beta emission, what is the immediate nuclear product?

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Q: What is a positron?

A: An atom has three sub-atomic particles namely, protons, neutrons, and electrons. The atom's mass is…

Q: Phosphorous-32 is a beta emitter. What would its transmutation product be?

A: Definition: The radioactive transformation of an atomic nucleus accompanying the emission of an…

Q: The symbol for a positron is p. e. 1. e. -1 e. 0. 4 Не.

A: A subatomic particle with the same mass as an electron and a numerically equal but positive charge.…

Q: Calculate the nuclear binding energy of 35A17 in MeV per nucleon, if its mass deficiency is 0.352…

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Q: Electron capture transforms ⁴⁰₁₉K into what nuclide? A) ⁴⁰₂₀Ca B) ⁴⁰₁₈Ar C) ⁴₂He D) ⁴⁰₁₉K…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

Q: Which of the following occurs during positron emission? A) Atomic number decreases B) Atomic…

A: Positron emission or beta plus decay (β+ decay) is a type of radioactive decay in which a positron…

Q: Calculate the binding energy per nucleon of 56Fe. Write answer in MeV

A: Binding energy of a nucleus is defined as the minimum energy required to separate it's nucleons and…

Q: Calculate the binding energy in MeV per nucleon.

A: Difference between the mass of reactants and the mass of products is the mass defect         Mass…

Q: the carbon in a human skull  in South America contained 25% c-14 relative to living orginisms. How…

A: Half life for C-14 is t1/2 = 5730 yearsBut t1/2  = ln 2 / k5730 = ln 2 / kk = 1.2096x10-4 year-1 The…