23. Which isotope, when bombarded with nitrogen-15, yields the artificial isotope dubnium- 260 plus 4 neutrons? A) californium-245 B) thorium-257 C) nobelium-245 D) californium-249 E) dubnium-249

Q: What percent of the mass of the nuclide 22688Ra is neutrons? electrons?

A: Given,        226Ra88 Mass percent of neutrons = ? Mass percent of electrons = ?

Q: Write the following isotopes in hyphenated form (e.g. "carbon-14") 238U O 1) Uranium - +3 2)…

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Q: The stability belt is when the neutron and proton ratios are ______

A: A neutron is a subatomic particle which is found in the nucleus of almost every atom except that of…

Q: Uranium used in nuclear reactors is a combination of two isotopes: 235U and 238U. A sample of…

A: The average atomic mass of an element is the sum of the masses of its isotopes, each multiplied by…

Q: 4221Sc      which is the correct choicen for the radioactive isotope listed above a)Its atomic…

A: Scandium is the 21th element in the periodic table . It belongs to the d - block element.

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 a nuclear reactions we must account for protons, neutrons, and electrons, as well as write out…

A: Nuclear reaction : It is a type of reaction in which two or more nuclei collide or a subatomic…

Q: What fraction of the mass of a single 238U is destroyed in the decay? The mass of 234Th is…

A:

Q: Compare fl uorine-18 and fl uorine-19 with regard to each of the following: (a) atomic number; (b)…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: 4. One of the nuclides in each of the following pairs is radioactive. Predict which is radioactive…

A: A radioactive isotope, also known as a radioisotope, radionuclide, or radioactive nuclide, is any of…

Q: 2. Using your knowledge of nuclear physics, write the equation for the following processes: a) The…

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Q: Solve this

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Q: True or False (use your periodic table/data sheet when appropriate) a. A Geiger counter detects…

A: a. True. A GM counter detects radiation from flashes of light generated by phosphors. b. True.…

Q: During a nuclear decay a 238U atom can break apart into a helium-4 atom and one other atom. Assuming…

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

Q: 4. Which nuclide is written in isotope note 18 80 O so 59 27CO O iron-56 89 39Y

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Q: 137N→136C+?713N→613C+? Express your answer as a nuclear equation

A: The symbol of an element is expressed as, A     XZ Where, X = the atomic symbol of the element (like…

Q: What do we call the nuclides having same mass number? [A] Isotopes [B] Isobars [C] Isotones [D] Such…

A: Each atom can be divided into three sub-atomic species: Neutrons, Protons and Electrons. The atomic…

Q: Uranium-238 emits an alpha particle. The new nucleus that forms has a mass number of and an atomic…

A: Atomic number of Uranium = 92 the alpha particle is H24e.

Q: The isotope, 23Np undergoes the following reactions and decays in this order: neutron capture,…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Radioactive Uranium 325U will decay in the following sequence: First an a decay, next a B-decay,…

A: The given types of radioactive decays are discussed below decay: It is a type of radioactive decay,…

Q: protons and neutrons

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Q: Discuss one characteristic of stable isotopes that makes them useful for environmental studies.

A: Isotopes have a big role in environmental studies. Both stable and radioactive isotopes are are…

Q: Calcium-45 has too many neutrons compared to the number of protons. Because of this, it will most…

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Q: Can u answer this question so it's easy to understand? The isotope cobalt-60 has a nuclear mass of…

A: As we know, mass defect , ∆m is  ∆m = {Z.mp  + Z.me +  (A-Z)mn} – M ∆m = {Z( mH ) +  (A-Z)mn} – M…

Q: 3. when the neutron to proton ratio in a radioactive isotope is higher than that required for…

A: The neutron–proton ratio (N/Z ratio or nuclear ratio) of an atomic nucleus is the ratio of its…

Q: 236U 92 How many neutrons does this uranium atom contain

A: neutron is a neutral subatomic particle that is found in the nucleus of an atom. Neutrons are…

Q: 3. a) Draw the missing nucleus (in the open circles) to complete the following nuclear reactions. b)…

A: An unstable nucleus decays into a stable nucleus by releasing energy and different particles. This…

Q: What does the number 238 in the name Uranium-238 represent?

A: An element is represented by XZA where Z is the atomic number and A is the mass number.

Q: 1.The isotope 232Np undergoes positron emission. The mass number of the product is 1._____ and the…

A: Given,The isotope :     232Np

Q: QUESTION 11 NUCLEAR CHEMISTRY: Consider the nuclei 1.0073 and 1.0087 amu, respectively. 117, 50Sn.…

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Q: UCLEAR CHEMISTRY: Consider the nuclei  11750Sn. Determine its mass defect in kilograms if its atomic…

A: Interpretation: We have to calculate mass defect .

Q: In ______, an _ particle (identical to a helium nucleus of two protons and two neutrons) is ejected…

A: A radioactive decay in which alpha particle decays into another nuclei with a mass number reduced by…

Q: 8. True or False (use your periodic table/data sheet when appropriate) a. A Geiger counter detects…

A: (a) A Geiger counter, measured the radiation when the radiation collides with gas molecules it…

Q: 1. Write a balanced nuclear reaction for the decay of cesium-144 by alpha particle

A: 1) Alpha Decay: An atomic nucleus undergoes an alpha decay, it is converted as a new nucleus…

Q: If the initial sample is 8.25 g, what mass of the original iridium‑192 remains after 105 days?

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

Q: 2. Use the following isotopes to answer the following 17 F, 88 Sr, 135 Cs, 55 100 Sn, 50 214, Po 84…

A: No. of protons and neutrons is as follows: 1)   17F9           p=9           n=8n/p ratio=89…

Q: The nuclide ²⁰⁰₅₀X is most likely to decay by ___ A) alpha decay. B) electron capture. C)…

A: The N/Z ratio determines the most likely mode of decay. Given nuclide is 20050X

Q: What is the difference between a radioactive isotope and a stable isotope? What is the history of…

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Q: Fission: One Nucleus Chose "Fission: One Nucleus." Use the simulation to watch what happens when you…

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