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: 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: 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: 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,…

A:

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: 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: 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: 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: 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 .

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.