Fill in the following table:

Q: Sulfur-35 is a radioactive isotope that decays through beta emission. The product of this reaction…

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

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Q: Ra (A) a T₁/2 = 3,05 menit Ra (B) B T₁/2 = 26,8 menit Ra (C) a

A: This problem is based on Radioactivity. We know that radioactivity is first order reaction. Here we…

Q: how many nucleons are there in 56^Fe

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: The radioactive isotope I-131 is used in the treatment of hyperthyroidism. When administered to a…

A: a) time = 72 hoursTo calculate : Percentage of the original amount shipped actually arrives at the…

Q: What element should go in the empty box in this equation? 10 As → B+O 33

A: We have to determine what element will fill the empty box for the beta decay reaction of As-79 as…

Q: 8. Rubidium-87, a beta particle emitter, is the product of positron emis- sion. Identify (a) the…

A: Beta decay occurs when, in a nucleus with too many protons or too many neutrons, one of the protons…

Q: Explain the Uranium Conversion in detail and enrich it with visuals.

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Q: b Po undergoes four decay reactions: B, a, B, a. Step 1. 218 Po undergoes B decay to give 218 At 85…

A: At-218 undergo alpha decay then product will be ?

Q: How long (in hours) would it take to disintegrate 3.17 × 1017 atoms from a 12.0-mCi (millicurie)…

A: Activity = 12.0 mCi = 12 * 10-3 Ci

Q: Q the number of protons in the nucleus of an atom is 8, while the number of neutrons in the nucleus…

A: zXA   where  X = Element Z = atomic number = no. of protons  A = Mass number    and A = p + n  p =…

Q: Which of the following clements has a radioactive isotope that is most commonly used in treating…

A: 1) correct option is 2) Co   , cobalt -60 is used in treating cancer. 2) correct option is 2)…

Q: What is an application  of radioactive dating

A: One application of radioactive dating: Radioactive dating is a method of dating rocks and minerals…

Q: Pd→-46 Pd +-Y 238 4. 5. -83 Ra → 21886 Rn +- He 6. 238 U→2392, +-Y

A: Since you have asked multiparts questions, we will solve the first three sub parts questions for…

Q: Uranium-238 decays to thorium-234. Which particle is emitted in this reaction? a particle neutron…

A: As we know , During the radioactive decay , mass is conserved as it follows law of conservation of…

Q: What is the dominant decay mode of I-131

A: The nuclear process in which the heavy nuclei lose energy by forming the daughter nuclei is termed…

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: Which of the isotopes is most likely to decay by alpha emission: 209P. or 212P0 ? 84 84 Show the…

A: Alpha emisssion When the nucleus of an atom becomes unstable it emits out excess energy in the form…

Q: 21483Bi83214Bi decays by beta emission. The product is

A: In nuclear physics, beta decay is a type of radioactive decay in which a beta particle (an electron…

Q: Which carbon isotope is not stable (radioactive)?

A: Isotopes are the elements, which have same atomic number and different nucleon number. It was…

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

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Q: 3) Write the equations for the following processes: (2 a) the alpha decay of californium-251 b) the…

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Q: Salance the nuclear equation and identify the missing symbol. 235U →? + Cs +4,n O 148 Xe 54 151 134…

A: Balance the nuclear equation and identify the missing symbol---

Q: What is the mass in grams of ^16O with 15.995 u ?

A: Unified mass unit:- Theu unified mass unit (u) is a unit of atomic and molecular masses. It is…

Q: How much of natural uranium is U-235? Group of answer choices 0.7% 13 % 33 % 99.3 % 100%

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Q: How many milligrams of a 40 mg sample of cesium-137 remain after 120 years? Express the mass to two…

A: The half life of Cs -137 is about 30.17 yrs.   The radioactive decay follows first order kinetics

Q: Which of the following materials would make a better shield from radiation? i)  Iron (density =…

A: To find: The material which make a better shield from radiation

Q: rgoes a decay. WH еса

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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: Iridium‑192 is one radioisotope used in brachytherapy, in which a radioactive source is placed…

A: The time required for a substance to reduce to half of its initial value is known as half life…

Q: Which Isotope has the same number of neurons as phosphorus-31

A: Isotopes are the elements having same atomic number but different mass number i.e. different number…

Q: Phosphorus-30 decays by positron emission. The product is

A: Positron emission, also known as beta plus decay (β+ decay), is a type of radioactive decay in which…

Q: if a rock forms with 100 atoms of Uranium-235 and 0 atoms of lead-207, how many atoms of each will…

A: Given: Number of (U) Uranium-235 atoms is 100. Number of (Pb) Lead-207 atoms is 0. Time is 1.3…

Q: A burnt piece of wood found at an archaeological site contained 0.0462g of 14^ C (t 1/2= 5.70*…

A: Mass of wood obtained = Nt =0.0462 grams Half life of C-14 = t½ = 5700 years  Age of burnt wood = t…

Q: How long does it take for a sample of 27?? 60 to disintegrate to the extent that only 2.0% of the…

A:

Q: ridium‑192 is one radioisotope used in brachytherapy, in which a radioactive source is placed inside…

A: a) As the initial weight of the sample is 1.5 g and after 150 days(x-axis) in the graph the sample…

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: Chromium-51 is a radioisotope that is used to assess the lifetime of red blood cells The half-lfe of…

A: Given: The half-life of chromium-51 is 27.7 days The amount of the isotope is 34.3 mg The time (t)…

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

A:

Q: 7. How much of a sample of gallium-72 (t = 14.1 hours) must have been present originally if, after…

A: Given,  Half-life (t1/2) of gallium-72 = 14.1 hours  Time = t = 56.04 hours  Final concentration of…

Q: U-235 was bombarded with a neutron producing Cs-144 and Rb-90. How many excess neutrons are released…

A: Nuclear transmutation is the process in which one chemical element is converted into new chemical…

Q: Positron emission by Co-55 produces an isotope with what atomic number?

A: We have Co-55 , we have to predict the atomic number ,after the positron emission .

Q: Which of the following balances the nuclear equation below? Li + ?? → 2He OH 1 OH On

A: Since, Balanced nuclear reaction means number of proton in both side is equal and also mass number…

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.