An element X has 195 nucleons and 78 protons, and it undergoes a beta decay. After the decay, how many neutrons the daughter element will have?

Q: Why is gamma radiation generally not included when writing nuclear reactions?

A: Gamma radiation is a type of electromagnetic radiation which is emitted from nucleus during its…

Q: Which of the following elements would be expected to undergo alpha decay? 23 238 92 O 123Te 52 187…

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Q: Explain why the ratio of neutrons to protons (N>Z) is important in determining nuclear stability?

A: A nucleus is a group of protons and neutrons. Though the protons repel one another, a fundamental…

Q: 1. Which particle has the same mass as a beta particle? b. a proton a. a neutron C. a gamma ray d.…

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Q: The mass defect for a neon-22 nucleus is -0.190856 g/mol. Calculate the atomic mass (in u) of…

A: mass defect can never be negative therfore for the calculation the value should taken as positive.

Q: Write the complete nuclear equation for the bombardent of a 14N atom with an a particle to yield…

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Q: As a result of alpha emission, the product nucleus is

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Q: The fission of uranium-235 produces 2.4 neutrons per nucleus. Why is there a fractional value for…

A: Given that The fission of uranium-235 produces 2.4 neutrons per nucleus To find:  Why is there a…

Q: In alpha particle radioactive decay the mass number of the decaying nucleus does not change. True…

A: The alpha particle radioactive decay can be written in form of a reaction as follows:

Q: List the types of Radioactive Decay?

A: When an unstable nucleus is converted to most stable form of nucleus by emitting the radiation is…

Q: If Fluorine 20 undergoes beta decay, what will it become? Th Or If Sulfur 34 undergoes alpha decay,…

A: Fluorine , given mass Number = 20 Atomic number is 9 Sulfur, Given mass Number = 34 Atomic number is…

Q: 4. The equation shows the radioactive decay of iodine-131. 131 131 Xe +particle 54 53 What is the…

A: I53131→X54131e+Particle Notation of nuclear reaction As we see in the above radioactive decay the…

Q: What change in the mass number of a nucleus occurs when the nucleus emits an alpha particle?

A: To find: What change in the mass number of a nucleus occurs when the nucleus emits an alpha particle

Q: Why do some isotopes undergo radioactive decay

A: The radioactive decay is shown by the isotopes having unstable nuclei due to the presence of excess…

Q: Find the energy emitted in the alpha decay of 239Pu .

A: All the energy release ∆E goes into the alpha particle's kinetic energy. Atomic mass of P94239u =…

Q: 9. Which atom is the starting material of this nuclear decay process? 一 223 -Ra+T 88 O 223 Ac 89 Fr…

A: In beta nuclear deacy process , a neutron is converted into a proton. Atomic mass remains unchanged…

Q: Emission of which particle below will decrease the mass number by 1, but have no affect on the…

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: What is meant by the half-life of a radioactive element?

A: The elements which have an unstable nucleus in their atoms and hence to get stability they emit…

Q: Which of the following describes the reaction: 230 Th + He + 226 Ra 88 bombardment reaction alpha…

A: Given reaction: Th90230 → He24 + Ra88226 We have to find the type of reaction.

Q: What is the chart of the nuclides and why is it used?

A: Nuclides: The representation of elements with their mass number (A) and atomic number (Z) is called…

Q: An atom of 109 Ag has an experimentally determined nuclear mass of 108.9048 amu. Calculate the mass…

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Q: Explain the decay series produced by 238U.

A: The four set of heavy and unstable atomic nuclei which decay by emitting alpha and beta rays until…

Q: particles. How many alpha particles are emitted each second by a 3.96-g sample of 241Am? particles

A: We have to first calculate the decay constant for the process. As we know radioactive decay is first…

Q: If an atom of Uranium, Element 92, were to absorb an Alpha particle (comprising two protons and two…

A: For a balanced nuclear reaction sum of mass number and sum of atomic numbers must be same on both…

Q: Thorium-232 decays by a 10-step series, ultimately yielding lead-208. How many a particles and how…

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Q: stable

A: Hydrogen consists of three isoptopes namely protium, deuterium and tritium. Protium consists of one…

Q: 2. Use the following isotopes to answer the following 17 F, 88 Sr, 135 Cs, 55 100 Sn, 214 Po 84 38…

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Q: An atom of 10° Ag has an experimentally determined nuclear mass of 108.9048 amu. Calculate the mass…

A: Mass defect is the difference between actual nuclear mass and experimentally calculated nuclear…

Q: alpha particle decay

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Q: The element with atomic number 84 undergoes alpha decay followed by beta decay. What is the atomic…

A: Alpha decay happens when alpha particle or Helium gets released as shown belowXZA   →   Z-2A-4V  +…

Q: Which radioactive decay is most probable? O !c → '}N + B O lịc → ZBe + O 4c → '8c + B• O %c → '}B +…

A: There are different type of decays in nuclear Chemistry to give different type of changes in nuclear…

Q: 9. Which atom is the starting material of this nuclear decay process? 223 Ra+Te 88 O 223 Ac 68 O…

A: Given , nuclear decay process : ? →R88223a + e-10

Q: Give the symbol for (a) a neutron, (b) an alpha particle,(c) gamma radiation.

A: (a) Symbol for neutron is n and the chemical notation for neutron is  01n.

Q: Thorium-232 decays by a 10-step series, ultimately yielding lead-208. How many x particles and how…

A: When a heavy nuclei is converted to lighter nuclei, some particles are emitted.These particles are…

Q: 12. Which of the following particles has no mass?   A. neutron   B. gamma      C. positron…

A: 12. We have to choose the following given particles has no mass as follows in step 2:

Q: What is the most likely mode of decay for each nuclide? (a) 'Ag (b) C1 (c) Ru 110RU 44

A: We can calculate the most likely mode of decay of nuclide using N/Z ratio.  Where, N = number of…

Q: 6. When isotope bismuth-213 emits an alpha particle: a. Write out the nuclear equation: b. Which is…

A: Fill in the blanks by using suitable symbols---

Q: What’s 0 -1 beta particle?

A: A beta particle is a particle with high-energy emitted by the radioactive decay of an atomic nucleus…

Q: beta decay

A: C. The mass number is unchanged and the atomic number increases.

Q: How many neutrons are emitted when a californium-249 nucleus (Z=98) is bombarded with a carbon-12…

A: In this question , we have given that californium is bombarded with a carbon - 12 nucleus which…

Q: Which of the following describes the reaction: 'N+{He → '0+H beta decay reaction O alpha decay…

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Q: (a) Suppose 20 Ne is struck by an alpha particle, releasing a proton and a product nucleus in 10 the…

A: Nuclear chemistry is a branch of chemistry which deals with the reaction that is taking part in the…

Q: 1. Predict: As you observed in the warm-up activity, an alpha particle consists of two protons and…

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Q: when an unstable nucleus emits radiation a. beta negative b. betatron c. helium nucleus (alpha) give…

A: Given: Unstable nucleus emits radiation. (a) beta negative (b) betatron (c) Helium nucleus (alpha)…

Q: Q7) 154 Dy The isotope formed by the alpha decay of is 67 Ho .C. 150 66 Dy 15" Ho a. .b. d.

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Q: A beta particle is A. a helium nucleus emitted by a larger nucleus . B. a form of highly penetrating…

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Q: Which type of radioactive decay will decrease the atomic number by one and release two subatomic…

A: The property of a nucleus emitting α, β and γ rays is known as radioactivity and the substance…

Q: What is the mass number of a single nucleus formed when sulfur 30 and beryllium 8 fused together?…

A: Correct answer is (a) 38 S1630  + Be48  →  Ca2038  + γ-rays  Mass balance: 30 + 8 = 38. ( When alpha…