In the sketch below, the red spheres represent protonsand the gray spheres represent neutrons. (a) What are theidentities of the four particles involved in the reactiondepicted? (b) Write the transformation represented belowusing condensed notation. (c) Based on its atomic numberand mass number, do you think the product nucleus is stableor radioactive?

Q: Iodine-131 undergoes radioactive decay to form anisotope with 54 protons and 77 neutrons. What…

A: Iodine- 131 has atomic number(Z) of 53. Because in a neutral (uncharged) atom, number of…

Q: Explain how you can predict whether or not an isotope is likely to be stable ifyou know its number…

A: An atom consists of two major parts i.e. re nucleus and electrons. A nucleus is concentrated at the…

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: 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: Decay of which nucleus will lead to the following products: (a) bismuth-211 by beta decay; (b)…

A: a) Bismuth-211 by beta decay = The general nuclear equation for beta decay is, XZA → YZ+1A + e-10…

Q: Write the nuclear equation for the nuclear reaction in which a nuclei undergoes ß- decay and changes…

A: When Barium undergo beta decay it product will be cesium-133 and gamma radiowaves.

Q: Explain why the neutron-to-protonratio of stable nuclei increases as the atomic numberincreases.

A: To find: Why the neutron to proton ratio of stable nuclei increases as the atomic number increases

Q: Calculate BE/A for 238U. (Most of uranium is 238U .) Note that 238U haseven numbers of both protons…

A: To calculate the binding energy per nucleons of 238U

Q: For each pair of isotopes listed, predict which one is less stable:

A: For a stable isotope n/p ratio should be approximately 1. Those nuclei have neutron to proton ratio…

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: n nuclear reaction:

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…

Q: The krypton isotope 36?? 81 is the product of reactions when cosmic rays strike the atmosphere. It…

A: Beta-, β-10 has a net -1 charge and no mass, Hence after β-10 decay, the mass number remains the…

Q: Which element is most likely to be radioactive?

A: Radioactivity It is the process by which an unstable atomic nucleus will lose energy through the…

Q: billion years after he creetion had he amount of raakletior y, ke om uranium decaypd ne he How…

A:

Q: Neon and magnesium each have three stable isotopes, whilesodium and aluminum each have only one.…

A: When the various atoms are formed from same element, the atomic number remains the same with…

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

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

Q: Describe how variations in an atomic nucleus accountfor its physical properties

A: A physical property is any property that is measurable, whose value describes a state of a physical…

Q: An isotope is an element with a different mass number (different number of neutrons). For…

A: Nuclear reaction is a physical process in which there is a change in identity of an atomic nucleus.…

Q: The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16,…

A:

Q: The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16,…

A:

Q: -0.028941 The amount of a radioactive isotope present at timet is given by A(t)3 800 e grams, where…

A:

Q: We must first calculate the mass defect (Am) for 56F.. Since atomic masses (which include the…

A:

Q: During the decay of a radioactive element, do you generally have: O a. no new isotopes O b. many new…

A: The process in which unstable nuclei lose energy by radiation, and converts into new elements. The…

Q: We must first calculate the mass defect (Am) for 5oFe. Since atomic masses (which include the…

A: Mass defect is the difference between the original atomic mass and the total mass of neutrons and…

Q: In each pair of isotopes shown, indicate which one you would expect to be radioactive.

A: Radioactivity is defined as the spontaneous decay of the nucleus of an element having higher mass…

Q: Part B Write the isotope needed, by identifying A, Z, and X, to balance the following nuclear fusion…

A:

Q: that the number of nuclides in i: age of the rock.

A:

Q: stable

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

Q: We must first calculate the mass defect (Am) for 56Fe. Since atomic masses (which include the…

A: The actual mass of Iron-56 ( 56Fe26 ) is 55.9349 and mass of a proton (1H1) = 1.0078 . Here, we have…

Q: In 2010, a team of scientists from Russia and the United States reported creation of the first atom…

A:

Q: What is the daughter nucleus produced when 50Mn undergoes positron emission? Replace each question…

A: Radioactivity is a phenomenon in which an unstable nucleus stabilizes itself by emitting different…

Q: (29) Which of the following nuclei decay by of decay ? Explain

A: β-10 decay occur in the nucleus with a high number of neutrons and β+10 decay occurs for the nuclei…

Q: What is the nuclear symbol for a radioactive isotope of copper with a mass number of 60?

A: The atomic number of copper is 29 and the mass number of radioactive isotope of copper is given as…

Q: Which isotopes are unstable with respect to  Nuclear Fission and Nuclear Fusion?

A: Given The following  isotopes are unstable with respect to  Nuclear Fission and Nuclear Fusion?…

Q: an alpha particle from Gd−148

A: Alpha decay results in the loss of alpha particles. Alpha particle is essentially a helium nucleus…

Q: What happens to the atomic number when the reactant nucleus becomes the product nucieus? What…

A: The atomic number and mass number remains the same during chemical reaction that is when reactant…

Q: 2) The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July…

A:

Q: E lement 107 was Sy nthesized by bombarding bismuth - 209 with ch romium -SL4 Write the eajuation…

A: In a nuclear reaction, overall A and overall Z remains same.

Q: Element X is a radioactive isotope such that every 18 years, its mass decreases by half. Given that…

A:

Q: An isotope with Z> 83, will likely decay through Alpha Beta Gamma Electron capture

A: An isotope with Z> 83, was likely decay through

Q: Over geological time, an atom of 238U decays to a stable 206Pb atom in a series of eight alpha…

A:

Q: The mass defect for a argon-36 nucleus is -0.329292 g/mol. Calculate the atomic mass (in u) of…

A: Here we have to determine the atomic mass of Ar-36 from the following given data , mass…

Q: Bombardment of Uranium-238 with a deuteron (hygrogen-2) generates neptunium-237 and _______________…

A: Bombardment of Uranium-238 with a deuteron (1 H2) to generates NP-237 and plus neutrons.

Q: L) One type of commercial smoke detector contains a minute amount of radioactive americium-241…

A: Given that

Q: What type of radioactive decay is fauGred S the humber ot protons in the nucleus, is much greater…

A: We know that, beta particle is a high energy, high speed electron or positron emitted by the the…

Q: proton ratio describes a radioactive element's half-life. up this concept because they wanted to…

A: We will choose Correct option

Q: N=Noe the atom is stationary (s) can it decay to produce an a) Alpha b) Proton S Positron d)…

A: d.Electron capture is a mode of beta decay in which an electron – commonly from an inner…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.