Why does the atomic number Z determine the chemical properties of a nuclide? What differences in chemical properties would you expect for 16O, 17O, and 18O, which are all stable? What about 15O, which is unstable?

Q: From the following numbers of protons and neutrons in the nucleus, choose the symbol for the…

A:

Q: 24AI 25AI 26AI B+ B+ B+ Mg Mg Mg B+ Stable Stable Na 24Na B- Na B+ Stable 2"Ne Ne Ne Stable Stable…

A: 1. Magnesium

Q: The activity of a radioactive isotope is 16000 disintegrations/sec. The activity drops to…

A:

Q: Examples Identify the unknown nuclide or particle (X). • (a) X → Ni+y • (b) 215Po X + a . → • . (C)…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Calculate the binding energy per nucleon, A/A and plot A/A versus A as shown in the figure for the…

A: Given : given materials are :  H, He, Li, B, O, Na, Fe, Zn, Kr, Ag, Pb, U

Q: Page 4 2:11 4 of 8 Nuclear Done Turn over SPA5302 (2020) SECTION B Answer TWO questions from Section…

A: Step 1: Step 2: Step 3: Step 4:

Q: Determine the missing A's and Z's of the nuclides (X) in the following decays: (a) X→ Ni + y (b) 2Po…

A: Nucleus physics.

Q: 45) Which nuclide X would properly complete the following reaction: on +92U235= 36 Kr94 +X+3on¹ OA)…

A: 0n1 + 92U235  = 36Kr94 + X + 30n1In any chemical reaction mass, total mass of reaction reamains…

Q: 40. Balance the following equation: 239- Th 90 239 U 239 94 2381 94 Pu 239 93

A: Given data:  N93239p → .....+ e-10 Required: Balance the equation

Q: U-238 (Z=92) decays by β- to a daughter isotope, the atomic mass (A) and atomic number (Z) of the…

A: Given:  Atomic no. of U, Z=92 Atomic mass of U, A=238

Q: Use the isotope table (either linked here or previously printed out) to determine the mass defect of…

A: Given:-  Neon -20 atomic no. of neon (Z) = 10 Δm = mass defect [atomic mass unit (amu)] mp = mass of…

Q: Two rocks are found that have different ratios R' of 238U to 206Pb: R' = 0.76 and 3.1. What are the…

A: The abundance ratio is given by R'=NN206PbNU238  (1) The number of nuclei for U238  and Pb206 are,…

Q: What change occurs to the atomic number and mass of a nucleus during each of the following decay…

A:

Q: Determine the nuclear composition of the following isotopes:' for example Carbon-12 has 6 protons…

A: To determine nuclear composition of given isotopes.

Q: Mg, dMg are all stable. Draw energy-level diagrams for these nuclei and use the dia grams to explain…

A: The Energy level diagram of 12M24 is given below.

Q: Which nuclide(s) would you predict to be stable? Why?(a) ²⁰₈O(b) ⁵⁹₂₇Co(c) ⁹₃Li

A: To determine in which the nuclide would you predict to be stable (a) ²⁰₈O (b) ⁵⁹₂₇Co (c) ⁹₃Li

Q: Help.answer.explain A nucleus of Th-231 undergoes beta decay. Write the equation that explains this.

A: A nucleus of Th-231 undergoes beta decay. To write the equation of beta decay.

Q: Which of the following nuclides has the largest nuclear binding energy per nucleon? 44 Ca 20 O 206…

A: From the nuclear binding energy curve:

Q: Find the nuclear radii of the following nuclides. (Enter your answers to at least three significant…

A:

Q: Identify the missing nuclides in the following decays: (a) 2Bi →? + He (b) Kr → ? + e + D (c) ?→He +…

A: a)the decay is alpha decay ,

Q: 5. B-10 (D.p) reaction. Identify the: Daughter nuclide: 1. Reaction Equation: 2. 1°C "C B+ B+ Stable…

A: Given, B-10(n,p) reaction

Q: Tritium has a half-life of 12.5 y against beta decay. Determine fraction of a sample which will…

A: (1) We have given Th=12.5 years Here Th= half life We know that NNo=12tTh NNo=122512.5=122=14 N=No/4…

Q: 56Fe is among the most tightly bound of all nuclides. It is more than 90% of natural iron. Note that…

A: The binding energy of 56Fe (in MeV) can be represented as, Here, Z, m(1H), N, mn, m(56Fe), and c…

Q: Pretest: Unit 5 Question 11 of 25 Which of the following nuclei is most stable based on its binding…

A:

Q: β− decay of 40K , a naturally occurring rare isotope ofpotassium responsible for some of our…

A:

Q: Question A2 Using the semi-empirical mass formula for the binding energy determine the stable…

A: The semi-empirical mass formula (SEMF) is a valuable tool in nuclear physics that provides a way to…

Q: Iodine ( A= 131, Z= 53 ) undergoes a β- decay. What is the resulting daughter nuclide?

A: Parent nuclide : Iodine A = 131 Z = 53 Decay mode = beta negative decay

Q: Tritium has a half-life (half-life) of 12.33 years. In a sample of tritium, what percentage of 3H…

A:

Q: "Na is an unstable nucleus that will decay to become neon, Ne . What particles have to be created…

A:

Q: A.) Calculate BE/A for 9Be. Stable and relatively tightly bound, this nuclide is most of natural…

A: Given that (a) 4Be9 nucleai Z=4 no of proton  A=9 mass  N=5 no of neutron (b) Be7 nucleai Z=4 A=7…

Q: B- Measurements on a radioactive sample show that its activity decreases by a factor of five during…

A: Solution-Given thatRatio of final and initial activity AA∘=15Time interval (t)=2 hourNow half life…

Q: Why do some nuclides (like 3I) decay? (b) What type nuclide will always decay?

A: (a) When the nucleus of an atom is unstable, it tends to decay by spontaneously emitting energy in…

Q: 24. A radioactive element X decay to a radioactive element Y which then decay to an elemen Z. If…

A:

Q: radioactive. Assuming that in a tree the isotopic abundance of ¹4C is 1.3 × 10-¹2, estimate the…

A: We know the activity of wood in dpm is 15.3 dpm per unit gram mass of C for freshly cut wood. living…

Q: The fact that BE/A is greatest for A near 60 implies that the range of the nuclear force is about…

A: Given data:   Atomic mass number of nucleus = 60  Empirical constant r0 = 1.2fm

Q: 16 Go What is the binding energy per nucleon of the europium isotope Eu? Here are some atomic masses…

A:

Q: Calculate the nuclear binding energy of 239 Pu a. b. 235U

A:

Q: Two isobars that have their Z and N values interchanged are called mirror isobars. (a) Which of the…

A: the mirror isobars 23Na and 23Mg  more stable