A radioactive isotope that decomposes by K-electron capture emission O a. gains an electron from its environment. O b. gains a helium nucleus. c. combines one of its electrons with one of its protons creating an additional neutron. d. gains a particle similar to an electron, but positively charged. O e. gains a negatively-charged neutron.

Q: 13. How should the angle of deflection of an a particle by a nucleus vary with the closeness of the…

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Q: 29 17. What information cannot be determined from the symbol notation 14Si? O the mass number O the…

A: To solve this problem we will use the concept of symbols notation

Q: 6.11 Ar-meson with a kinetic energy of 140 MeV decays in flight into u-meson and a neutrino.…

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Q: Q )define :  1- nuclide radii  2- neutron structure 3- nuclear excited state 4- deuterium

A: The Defination of the following  are as follows

Q: On

A: Answer is option B

Q: Which of the following particles would attract each other? Would repel each other? Rank the…

A: Opposite charges attract each other while similar charges repel each other. Therefore, electrons and…

Q: What is the nuclear binding energy of a lithium-7 nucleusin units of kJ/mol and eV/nucleus? (Mass of…

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Q: What new element is formed when 40K decays by B- emission? Is the new element formed likely to be…

A: The given element = 40K  Beta particle is denoted as = -1e0  Beta (β) emission is the radioactive…

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: What type of radiation occurs when a negatively charged electron is emitted from a nucleus?

A: ANSWER

Q: This exercise uses the radioactive decay model. The half-life of radium-226 is 1600 years. Suppose…

A: we are here given that the half life th of radium =1600 yearssample weight/initial value of radium…

Q: Which of the following statements is INCORRECT? a. Energy is neither created nor destroyed in…

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Q: Energy level closer to the .9 * nucleus have Lower energy O High energy O Equal energy O

A: An atom is consisting of electrons, protons, and neutrons. The protons and neutrons are a part of…

Q: (a) beta emission from aluminum-30 Al → He + Na Al + -je → 12 Mg je + 1% Si ie + Si 30 Al 13 Al → e…

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Q: 95. When a nucleus undergoes beta decay, _____. a. When a nucleus undergoes beta decay, _____. b.…

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Q: Alpha particles beamed at thin metal foil may O A. pass directly through without changing direction…

A: The experiment performed by Rutherford to probe the structure of an atom is known as the alpha…

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

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Q: ____15. All elements with an atomic number greater than ________ have big nucleus and have the…

A: Answer are as follows

Q: N'd TiPz 2 P;=P.V,Tz Pz= V2T. Al pha Particle Emission Beta Parti cle Emission Symbol Gamma Ray…

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Q: The emission of radiation is the radioisotopes losing energy. O True O False

A: Radioactive isotope, also called radioisotope, radionuclide, or radioactive nuclide, any of several…

Q: Com plele the оnowin ing nuclear equalio lions Th + ? 160 A. W - → Radio Active Decay Process ? 38 ?…

A: Atomic number of W = 74  Atomic number of Th = 90 Atomic number of Cl = 17  Atomic number of Ar = 18…

Q: Please answer this question correctly. 1. Write the configuration of sulfur after it has achieved…

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Q: What kind of radiation is produced when the electrons move to the first energy level?  third energy…

A: When electron jumps from high energy level to low energy level the energy is emitted while if the…

Q: 24. The nucleus of the greatest stability is found in the isotope of the element [A] Sn-118 [B] Am…

A: The determination of the nuclear stability is done on the basis of the neutron to proton ratio of…

Q: When a nucleus undergoes alpha decay, an electron is ejected from the nucleus.   True False

A: We all know that, when a nucleus undergoes alpha decay that means it's released helium particles.…

Q: 13. A Cyclotron (atomic smasher accelerator) can be used to: a) accelerate neutrons b) accelerate…

A: Answer - Correct option is (c) Alpha particles have a charge of +2, so their paths can bent by…

Q: Even with modern lab techniques, you cannot change the half life of an element.

A: Applying isotope exchange technique which are surrounded by radioactive isotope.

Q: The emission of . resulting a daughter nucleus which is Isobar, with the parent nucleus. ...... А.…

A: For given radioactive decay, parent nucleus and daughter nucleus are isobars. Thus parent nucleus…

Q: “What about Oppenheimer’s invention of the atomic bomb… should it not have been discovered?” "

A: In the question it is given to discuss about Oppenheimer's invention of atomic bomb.Let's discuss.

Q: A 8/5 B atom (mass = 8.0246 amu) decays into a 8/4 B atom (mass = 8.0053 amu) by loss of a β+…

A: Convert the mass of the beta particle into kilograms. 1 amu = 1.66 × 10-27 kg0.00055 amu = 0.00055 ×…

Q: 10. Electron-capture which is also called K-Capture is associated with a) Conversion of a neutron to…

A: Xdhdhh

Q: Now add one neutron to make Boron -12. Notice that the atom shakes. Th indicates that the isotope is…

A: Atom is made up of sub-atomic particles. It has electrons, protons, and neutrons, these three…

Q: Cobalt-59 is the only stable isotope of this transition metal.One ⁵⁹Co atom has a mass of 58.933198…

A: Introduction: Binding energy is the amount of energy required to separate particles or sub particles…

Q: Sodium is an artificial isotope with a half-life of 2.6 years a.) How many protons are in an atom…

A: Given Sodium-22 is an artificial isotope with a half life of 2.6 years. a) Number of protons are in…

Q: 6Ar18  +  4He2  -->  __________  + 0?γ0   (?γ = gamma ray)

A: Nuclear reactions are those in which either one nucleus its splits to form other lighter nuclei or…

Q: 12. When and electron ______ light, it gains energy. A. releases B. absorbs ____13. After a single…

A: 12) we know when an electron is irradiated it is getting excited and gains energy and move to other…

Q: A 15.0-mCi (millicurie) radioactive source runs for 2.63 hours. How many atoms have disintegrated?

A: The given activity value in mCi is first converted to Ci and then to atoms/s as shown below, 1…

Q: In photo-neutron production Be9 is used rather than using Li7. Prove that why it is so.

A: The photo disintegration reaction of Be9 is given below.               4Be9 + γ → 2  2He4 + 0n1 The…

Q: Which process creates heat, light and energy inside of stars? O A. Fission O B. Fusion O C. Half…

A: B) fussion is the correct answer

Q: -22 The mass of a certain atom is 2.086 x 10 g. This is the same mass as 2.086 x 10-16 mg. 2.086 x…

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Q: Calculate the maximum kinetic energy of the electron in the decay "C→ "N + -e +D

A: 146C -------> 147N  +  0-1e + energy E = ∆mc2      = ∆m* 931.5 MeV / 1u ∆m = mass defect…

Q: Radioactive decay is a spontaneous and random process because A. the decay of the nucleus cannot be…

A: Spontaneous means it happens on its own. You don't need any outside influence to get the isotope to…

Q: Use the notation from Question 3 to write symbols for a proton,a neutron, and an electron?

A: Note - Since you haven't mentioned Question 3, i will consider the general symbols of electron,…

Q: 22. A 15.0-mCi (millicurie) radioactive source runs for 2.63 hours. How many atoms have…

A: The given activity value in mCi is first converted to Ci and then to atoms/s as shown below,

Q: What do you mean by Electron capture?

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

Q: beta particle is A.an electron emitted by a larger nucleus . B.a form of highly penetrating…

A: Beta particles are high energy electrons emitted during the radioactive decay.