1Which scientists influenced the progression of the atomic model? (Check all that apply)     Thomson   Rutherford   Bohr   Dalton

Q: QUESTION 12 The nuclear symbol that completes the equation is a(n) 240 + 95 Am ? → O A) proton OB)…

A: Nuclear equations are utilzed to denote the reactants and products in various radioactive reactions.…

Q: Be sure to answer all parts. Determine the age of rock that contains 34.7 mg of 23ºU and 3.57 mg of…

A: Radioactive decay follows first order kinetics.  So, k = 0.693/t(0.5) ...(1)  Here, t(0.5) =…

Q: The number and types of particles emitted in the radioactive decay of "2sMn to „v is (arc) A…

A: Isotopes are those elements which have same atomic number but different mass numbers. There are many…

Q: None

A: Q.1. Here an alpha particle is getting decayed from U-238 nucleus, Using conservation of mass number…

Q: Thallium-201 is used medically to diagnose heart problems. The half-life of thallium-201 is 72.9…

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Q: Einsteins equation is A E =A mc². In this equation, %3D Am is difference in the actual mass of an…

A: Difference in the actual mass of an atom and the sum of masses of its electrons, protons and…

Q: 100 95 90 85 88 75 70 65 60 55 50 45 410 55 S S 0 0 9. Graph the following data on the graph, then…

A: Given ,Datas of decrease of mass  wrt time.Objective : Determine half life

Q: What isotope is commonly used to determine thyroid activity and treat diseases of the thyroid? A) "C…

A: These days, the use of the radioactive element is commonly used in the treatment of disease. In the…

Q: -To obtain the hydrogen atom visible spectrum of an electron which is excited to The third energy…

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

Q: Radium-226 is radioactive and has a half life of 1600. years. How much of a 5.40 mg sample would be…

A: Radioactive isotope: Radium-226Half life (t1/2) = 1600 yearsInitially mass of Radium-226 =…

Q: Radiocarbon dating techniques are used to determine that a very old piece of bone emits emits about…

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Q: 6C has a half life of 5,730 years. How many 6C atoms would you need in order to measure an average…

A: The half life is given as 5730 years Average Decay per Second = 10

Q: Iodine-131 is administered orally in the form of NaI(aq) as a treatment for thyroid cancer. The…

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Q: Many elements have been synthesized by bombarding relatively particle accelerators. Complete the…

A: In balanced Nuclear reaction  ->sum of atomic number of reactants are equal to sum of atomic…

Q: The radioisotope carbon-11 will decay through Periodic Table of the Elements hydrogen 1 H 13 14 15…

A: The radioisotope C-11 has 6 protons and 5 neutrons in its nucleus. The n/p ratio = 5/6 ~ 0.833

Q: The artificial element 114 (flervium) was created in in Russia in 1998. It has an atomic number of…

A: The flervium element has an atomic number of 114, its electronic configuration will be : Flervium…

Q: Be sure to answer all parts. A³H nucleus decays with an energy of 0.01856 MeV. Convert this energy…

A: Here we are required to find convert the energy for 3H decay from mega electron volume to electron…

Q: Complete the following and state the type of radiation particle emitted. Show all wor 234Th > He +…

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Q: Iodine-131 is radioactive and has a half life of 8.04 days. Calculate the activity of a 6.6 mg…

A: We need to find the activity of a 6.6 mg sample of I-131. Here we are provided the half life of…

Q: Nuclei with the same number of neutrons but different mass numbers are called isotones. Part A…

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Q: 7. Which of the following reactions is an alpha decay reaction? a. ¹3 Ba 137 56 137 564 222 b. Ra c.…

A: 7) we have to select the alpha decay reaction

Q: Potassium-40 emitting a B particle to form a new isotope 40(top) 19(bottom) K>>>> x y Z + B X= Y=…

A: The given statement is: K1940 →Zyx + β-we know that during β- emission:i) The sum of mass number on…

Q: Thallium-201 is used medically to diagnose heart problems. The half-life of thallium-201 is 72.9…

A: Introduction :  We have to calculate mass remains after 97.7 hours . Half life = 72.9 hours .

Q: Study the radioactive decay curve below. What is the half-life of this isotope? Explain how you…

A: Half life : It is the time required to reduce the concentration exactly half of the initial…

Q: As the separation away from a radioactive sample increases, the intensity of the radiation also…

A: According to an inverse square law says that intensity of radioactive radiation is inversely…

Q: The radioisotope 3516S will decay through

A: For the stablity of nucleus N/P ratio for lighter nuclei must be equal to 1. And unstable nuclei…

Q: Iodine-131 is administered orally in the form of NaI(aq) as a treatment for thyroid cancer. The…

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Q: What is the daughter nucleus produced when Zn undergoes electron capture? Replace each question mark…

A: ->In electron capture number of proton decreases by one unit.but there is no effect on atomic…

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

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Q: What is the density of the 24 Ma nucleus un 9/mL assuming of 1x 1013 cnm and is spherical in shape?…

A: Given data : Mass of Mg = 24 amu Diameter = 1×10-13 cm

Q: lodine-125 is radioactive and has a half life of 60.25 days. Calculate the activity of a 2.0 mg…

A: Given the context, the term "activity" can be used to refer to a variety of ideas. In the context of…

Q: An atom of 120ln has a mass of 119.907890 amu. mass of1H atom 1.007825 amu mass of a neutron =…

A: As we know, mass defect , ∆m is  ∆m = {Z.mp  + Z.me +  (A-Z)mn} – M ∆m = {Z( mH ) +  (A-Z)mn} – M…

Q: Which of the following characterizes an alpha ray? Choose all that apply. carries a negative charge…

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Q: Cobalt-60 is radioactive and has a half life of 5.26 years. What percentage of a sample would be…

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Q: 32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 69.9 g of 32P, how…

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Q: Four research teams measured the half-life of a radioactive isotope, and what each team wrote in its…

A: Accuracy is the measure of the closeness of a given value to a known value.Precision refers to the…

Q: Initial Amount After Half-life (years) Isotope Оuantity 1000 Years 33. 226RA 1599 10 g 94. e 5715…

A: in radioactivity is defined as unstable nuclei is decay into stable nuclei and emits electromagnetic…

Q: Which particle has the smallest mass? neutron proton electron helium nucleus

A: In an atom three fundamental particles are present. Positively charged particle proton and neutral…

Q: A 100.0g sample of water containing tritium, 3,1H emits 2.89*10^3 beta particles per second. Tritium…

A: To solve this problem, we need to determine the percentage of hydrogen atoms in the water sample…

Q: Iodine-131 is radioactive and has a half life of 8.04 days. Calculate the activity of a s.8 mg…

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Q: 9) Arrange the isotopes from longest to shortest half lives (longest on top) Zinc-69, Copper-64,…

A: Answer:-This question is answered by using the simple concept of half life the isotopes of elements.

Q: Directions: Solve the following problems carefully. Write your detailed solutions on another sheet…

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Q: Particle Mass (kg) alpha particle bullet 6.64 × 107 -27 0.00190 -27 proton 1.67 x 10-2 Velocity…

A: de-broglie equation: Wavelength = h/mv h = planck's constantm = mass of particlev = velocity of…

Q: Which one of the following statements is true for atom having following reaction in its nucleus? ip→…

A: Given is nuclear reaction.