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

A:

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: Consider acetylene  the balanced chemical equation for the combustion of 1 mole of acetylene gas…

A: Given Reaction is - C2H2 + (5/2) O2 ==> 2 CO2 +H2O  Also given that - ∆H = 226.7 kJ/mol = 226700…

Q: What is the primary factor that determines whether an nucleus is stable or unstable?

A: The nucleus is the small region that lies at the center of an atom. It is discovered in 1911 by…

Q: There are three naturally occurring stable isotopes of magnesium: 24Mg, 25M., and 2°Mg, which have…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

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: Strontium-89 chloride is in a class of drugs known as radioisotopes.It delivers radiation to cancer…

A: Nuclear chemistry is branch of chemistry in which we deal with nuclear fission and fusion reaction.…

Q: Which of the following statements is true of an alpha particle? A It is less massive than a beta…

A: Alpha particle or alpha ray is composite particles having 2 protons and 2 neutron tightly bound…

Q: NUCLEAR CHEMISTRY: Consider the nuclei 117 proton and neutron are 1.0073 and 1.0087 amu,…

A:

Q: Use Le Chatelier’s Principle to predict what happens when heat is added to the equilibrium system…

A: We have to predict what happens when heat is added to the equilibrium system

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: 234 The isotope produced when Th gives off a beta particle is 90 230 a. Ra 90 O b,230 Ac 89 234 OC.…

A:

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

A:

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: Strontium-89 chloride is in a class of drugs known as radioisotopes. It delivers radiation to cancer…

A:

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: 11C decays by positron emission. Balance the nuclear equation by giving the mass number, atomic…

A: 11C decays by positron emission. 6C11    --->      5B11   +     +1ẞ0   Or 6C11 --->  +1e0  +…

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: Give the particle emitted when silver-105 (Ag-105) changes into Palladium-105 (Pd-105). Beta…

A: Silver-105 changes into palladium-105.Determined particle emitted =?

Q: Uranium – 237 undergoes beta emission. Circle the correct resultant nucleus:

A: A beta particle is denoted by: -1   0e

Q: protons and neutrons

A:

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: 6. No two radioactive isotopes decay at the same rate. Half-life (t2) is the time required for half…

A: Radioactive reaction involves the conversion of unstable nuclei to a stable nuclei. It is converted…

Q: Define and explain the difference between molecular weight and atomic weight. With examples. 5.…

A: Atomic mass is the mass of an atom.

Q: and balance the following nuclear equations by ting partick: 2. Complete supplying Hhe mising 252 10…

A: We have to predict the balance reaction, as well as missing particle.

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: The isotope 239U undergoes the following series of decay processes: beta decay; alpha decay; alpha…

A: α –decay:-           "Whenever the element emits an α-particle, the mass number decreases by 4 units…

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: The naturally occurring radioactive isotope 232Th does not make good fission fuel, because it has an…

A: The radioisotope, 232Th is given. To find: Z and N for 232Th ?

Q: From Uranium fission reaction Beryllium and Argon are being produced.  Is it true of false?

A: Is the given statement true or false has to be identified.

Q: Question 4 In the balanced nuclear equation for beta emission of Th-234 the atomic number of the…

A: In beta emission, the particles are high energy electrons and these electrons are not attached to…

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.…

A:

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: 209Bi is the heaviest stable isotope of any element. How many protons and neutrons are present in…

A: The given data contains atomic mass of Bismuth is 209.

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: 2. In each pair of isotopes, indicate which one you would expect to be radioactive. Support your…

A: a. 42Mo95 : No. of protons = 42(even). No. of neutrons = 95-42 = 53(odd).  43Tc92 : No. of protons =…

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: Iridium-192 undergoes ß decay and then emits y radiation. Identify the stable daughter nuclide…

A: • We need to determine the daughter nuclide formed by the successive beta decay and gamma radiation…

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