Ruthenium-106 (^ 106 Ru) is used to treat melanoma in the eye. This isotope decays by Beta ^- with a half-life of 373.59 days One source of the isotope is reprocessed nuclear reactor fuel . A) How many protons and how many neutrons does the Ru nucleus contain? B) Identify the missing daughter nucleus in the β– emission decay of 106ru below. D)How many years is implanted in the eye deres it take for its decay rate (or activity) to be reduced to 22.5% of the initial decay rate ? Use 1 year = 365 days. time : days

Q: How long will it take a radioactive sample of iodine-131 (half-life 8.07  d ) to lose 99.2  %  of…

A: The given disintegration reaction is first order reaction. Half life t1/2 = 0.693 / K 8.07 days =…

Q: Technetium-99m, a metastable state of technetium-99 commonly used in nuclear medicine, has a…

A:

Q: 1. You are provided with a sample of pure Osmium-186 (18Os), a radioactive nuclide. a) How many…

A: a) To calculate the number of neutrons in a single nucleus of Osmium-186 (186Os) atomic number of…

Q: Determine the half-life of a radionuclide if after 18 days the fraction of undecayed nuclides…

A: Half-life (t1/2) represents the amount of time at which the concentration of the radioactive nuclide…

Q: (Q121) Technetium-99 is an unstable isotope used in various medical procedures. Given a half life of…

A: Given: half life (t12)=8.01 hrsmass=1.41 ug To find: Activity in Ci

Q: In a treatment that decreases pain and reduces inflammation of the lining of the knee joint, a…

A: Initial count (No) = 1100 per second Final count (Nt) = 1.14 per second Time (t) = 24 hours

Q: 1. Copper(II) acetate containing 6Cu is used to study brain tumors. This isotope has a half-life of…

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

Q: Fluorine-18, which has a physical half-life of 110 min, is used in PET scans. if 1.00g of…

A: The fluorine-18 sample was shipped at 5:00 PM and arrives the laboratory at 9:30 AM in the next…

Q: You take a course in archaeology that includes field work. An ancient wooden totem pole is excavated…

A: Given: The beta decay rate is measured at = 690 decays/min. sample from the totem pole contains =…

Q: A sample of rock was found to contain 8.23 mg of rubidium-87 and 0.47 mg of strontium-87.(a)…

A:

Q: Uranium-lead (U-Pb) dating of geological samples is one of the oldest and most refined radiometric…

A:

Q: Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 x 1010 years. What is the…

A:

Q: A 1.00-gram sample cantains two radioactive isotopes A and B. The half-life of isotope A is 2 hrs.…

A:

Q: A freshly purified 2.00 g sample of the alpha particle emitting radionuclide 244 Am is prepared then…

A: Mass of radionuclide = 2.00 gVolume of evacuated container = 0.100 LTemperature = 25 °CPressure =…

Q: Carbon-14 has a half-life of 5730  years . In a plant fossil, you find that the  14C  has decayed to…

A:

Q: Ca-60 is used extensively in radiotherapy and its half-life is 5.27 years. How many years will it…

A: Given: half life, t12=5.27 years[A]=0.2[A]o To calculate: Years taken to decrease to 20% of its…

Q: CHEMWORK Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 x 1010 years.…

A:

Q: An ancient wood sample is known to be 2500 years old. a. Knowing that the half-life of carbon is…

A:

Q: Radium-226 (atomic mass = 226.025402 amu) decays to radon-224 (a radioactive gas) with a half-life…

A: First, decay constant value is determined using given half life value.

Q: Iodine-125 (125I) is used to treat, among other things, brain tumors and prostate cancer. It decays…

A:

Q: The half-life of a certain radioactive element is 800 years. How old is an object if only 12.5% of…

A: Given, Half Life t1/2 = 800 years. A = 12.5%  Ao = 100 %  Time , t = ?

Q: a substance with a half-life of 23.1049 seconds. you start with 12 mg of the substance (a) write the…

A: The decay of substance follow exponential rule. Half life is defined as the time required by any…

Q: #5 A rock contains 0.257 mg of Pb-206 for every milligram of U-238.The half-life for the decay of…

A: Radioactive decay follows first order kinetics. The integrated rate law is as below: kt=lnAoA Here,…

Q: The carbon-11 isotope has a half-life of 20.3 minutes. How long (in hours) will it take for 99.9999%…

A: Here we have to determine time required for 99.9999% of a carbon-11 sample to disappear.Given half…

Q: 12% of a certain radioisotope decay in 5.2 years, what is the half-life of this isotope?

A: Note : As per our guidelines , we are supposed to answer first question .Please resubmit the other…

Q: Numerous studies in the biochemistry of the study of living pathways are aided by phosphorus-32,…

A: Part a: A beta particle, also called beta ray or beta radiation, is a high-energy, high-speed…

Q: How much time is required in days for a 6.25 mg sample of Cr-51 to decay to 1.75 mg if it has a…

A:

Q: Cesium-137 is part of the nuclear waste produced by uranium-235 fission. The half-life of cesium-137…

A: Concept based on half-life of radio active isotopes.

Q: 13) The half-life of C-14 is 5730 years and the decay is 1 order. If you start with 500 mg if this…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: Iodine-125 (¹251) is used to treat, among other things, brain tumors and prostate cancer. It decays…

A:

Q: The mass defect of nuclei (156X ) is 1.975 amu. Estimate the total binding energy per nucleon in…

A:

Q: You take a course in archaeology that includes field work. An ancient wooden totem pole is excavated…

A: The age of the sample is calculated as: Age=n×t12 where n is the number of half lives and t1/2 is…

Q: Phosphorus-32 is a radioactive isotope with a half-life of 14.3 d (d = days). A biochemist has a…

A: Radioactive decomposition follows first order kinetics. Integrated rate law for first order is

Q: A piece of a spear handle is found in an archaeological dig in Central America. It contains 35.2% as…

A:

Q: 1.50 moles of a radio nuclide emits 3.09 x 1010 beta particles per second. assumed that each beta…

A: Here 1.5 moles of radio active nuclide emits 3.09×10^10 beta particles per second. We have to…

Q: Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 × 1010 years. What is the…

A:

Q: IUCLEAR REACTIONS Zinc-62 decays with a half-life of 9.186 hours. 1. Write the balanced nuclear…

A:

Q: Americium-241 (241Am) is a synthetic isotope used in smoke detectors. It undergoes alpha decay to…

A: Given: Half-life of isotope = 432.2 years. Initial mass of isotope = 0.30 µg And time passed = 70…

Q: Ruthenium-106 (106Ru) is used to treat melanoma in the eye. This isotope decays by β– emission with…

A: In general, Number of proton is equal to the number of atomic number.The atomic number of is 44,…

Q: Cesium 137 is a commonly used isotope in the treatment of some cancers, someone you know may have…

A: The reactant given is Cesium 137 i.e 13755Cs.

Q: The nuclide 131I undergoes beta decay with a half-life of 8.041 days. Large quantities of this…

A:

Q: A 10.00-g plant fossil from an archaeological site is found to have a 14C activity of 3094…

A:

Q: The half-life of 14C is 5730 years, and the current decay rate in living organisms is 14.3…

A: Given: The activity of sample = 4.75 d.p.m/g C The activity of fresh wood = 14.3 d.p.m/g C And…

Q: 32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 91.3 g of ²P, how…

A: The answer to the following question is- half life = 14.3 days ,

Q: a. i. The half-life of 20 kg of Bismuth -210 is 20 minutes. Explain this statement? ii. A…

A: The half-life of 20 kg of Bismuth -210 is 20 minutes means after every 20mints the concentration of…

Q: A moon rock collected by a U.S. Apollo mission is estimated to be 4.10 billion years old by…

A: Concept:  Radioactive decay: It is the process by which an unstable atomic nucleus loses energy by…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.