The first six elements of the first transition series have the following number of stable isotopes: Element Number of Stable Isotopes Sc Ti V 1 Cr 3 Mn 1 Fe 4 Explain why Sc, V, and Mn each has only one stable isotope while the other elements have several.

Q: She discovered two new elements and received two Nobel Prizes, one in chemistry and one in physics.…

A: Marie Curie was first woman to win noble prize. She discovered two elements radium and polonium

Q: All isotopes above the atomic number. 19 53 ОООО 87 92 are radioactive.

A: The atoms that are made up of unstable nuclei undergo a decay to form more stable nuclei. This…

Q: Alpha decay alters the atomic number of the parent element. O True O False

A: Correct Ans - TRUE

Q: Why are the chemical properties of all isotopes of the same element identical?

A: Atoms of the same element, having same number of protons and electrons, but differing only in the…

Q: Promethium (Z = 61) is essentially nonexistent in nature as all of its isotopes are radioactive.…

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Q: 48 P HP Cr Fe Ga Se Kr Sr Te RAT Hg 201T1 [Review Topics] Some Radioactive Isotopes Useful in…

A: 1) We know that, Atomic number of an element(Z) = No. of protons Mass number (A) = No. of protons(Z)…

Q: The type of nuclear decay an unstable nucleus will undergo depends on its ratio of neutrons to…

A: Given  For Co - 65    n/p     = 1.41  Changes if this ratio is reduced = ?

Q: 227 28 (b) 227 28 Si 14 Explain your choice. O Its atomic number is greater than 83. O Its atomic…

A: Isotopes are the atoms of the same element which has same atomic number but different mass number.…

Q: Match the Beta decay products of the following elements: Drag the boxes to match the answers 76Os…

A: Beta decay is a type of radioactive decay in which the ejection of fast moving beta particles from…

Q: Only two isotopes of Sb (antimony, Z=51) are stable. Pick the most likely stable isotope from the…

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Q: via beta emission, an-

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Q: 29 3. What information cannot be determined from the symbol notation 14Si? O the atomic mass O the…

A: The symbol notation given is

Q: Choose which isotope you would expect to be most stable.

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Q: The krypton isotope 36?? 81 is the product of reactions when cosmic rays strike the atmosphere. It…

A: Beta-, β-10 has a net -1 charge and no mass, Hence after β-10 decay, the mass number remains the…

Q: Which isotope is most likely to undergo e+ emission? 4, 3, or 2

A: In positron emission is the process by which a proton in a nucleus is converted into a neutron while…

Q: which particle corresponds to isotope 3? 183Mt, 183W, or 109W

A: Isotopes are atoms that contain same number of protons but different number of neutrons. As a result…

Q: number of protons number of neutrons 6ONI number of electrons number of nucleons

A: 60Ni is isotope of Nickel. 60Ni isotope is used for neutrons studies of amorphous metal structures.…

Q: Which form of nuclear radiation has the lowest energy? alpha radiation x-radiation beta radiation…

A: Nuclear radiation is defined as the energy particles or rays that are given off from a radioactive…

Q: If an atom of Uranium, Element 92, were to absorb an Alpha particle (comprising two protons and two…

A: For a balanced nuclear reaction sum of mass number and sum of atomic numbers must be same on both…

Q: List the number of protons, neutrons, and nucleons (protons + neutrons), in that order, for an…

A: Given:

Q: Unstable isotopes are not radioactive. O True O False

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Q: Visited (Atomic masses: iron-56 = 55.9349 amu; hydrogen-1 = 1.0078 amu; mass of neutron = 1.0087…

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Q: Mass number 238 236 234 232 230 228 226 224 222 220 218 216 214 212 210 208 206 204 Pb-Bi Po Po Pb…

A: In the first decay of U-238, U92238, it converts to Thorium-234, Th90234 Atomic number of U92238 =…

Q: Which is more stable? Which has a larger mass? 1H + a neutron 1H + a neutron O 2H O 24 Examine the…

A: A question based on atoms that is to be accomplished.

Q: Which of the following nuclei has a magic number of neutrons and/or protons? none of the choices O…

A: There are some combination of proton and neutron , when these combination present in nucleus then…

Q: Identify the following elements with their corresponding mass number. Use this format for your…

A: We have find out the solution.

Q: ¹C 4 P Cr Fe Ga Se 81 Kr Sr Te 131 1971 Hg 201T1 Some Radioactive Isotopes Useful in Medical Imaging…

A: Electron capture is a type of nuclear decay in which an electron from an inner shell of an atom is…

Q: He+ Al → n+ 2 13 01:23:26 Multiple Choice 16 31 14 to 15 3 14 30 15 Next> 20 of 35

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Q: it has been suggested that element 114 has unusual stability, bu 114 is not a magic number. what is…

A: The element with a higher atomic number stabilizes either by Fission or Fusion. The Binding Energy…

Q: Select all that apply. For each pair of isotopes listed, predict which one is less stable. (a) Li Li…

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Q: the numbers of protons, neutrons, and electrons in each of the following species: 208Pb,

A: We have been given two species (208Pb, 60Ni).We have been asked to calculate number of protons,…

Q: 177 189 TI 195 203 TI TI 81 81 81 81

A: For elements with higher atomic number ,neutron to proton ratio must be higher to have higher…

Q: Which of the following nuclides contains more protons than neutrons? OMg 12 He 34$

A: The general representation of an element is -  ZXA where, Z = atomic number (= no. of protons) A =…

Q: Select all that apply. For each pair of isotopes listed, predict which one is less stable. (a) “Li…

A: The stability of isotopes can be calculated as follows

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

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

Q: Which sub-atomic particles are part of the nucleus? Protons Lions Axons Electrons Neutrons

A: An atom contains three subatomic particles: Electron Proton Neutron Electrons are negatively…

Q: Select all of the following that are isotopes of 28Si.  Group of answer choices 29Si An atom with…

A: Concept introduction. Isotopes are the substance having same atomic number but different atomic…

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

A: Given is nuclear reaction.

Q: An element has an atomic number of 41 and a mass number of 83. Using your determination as to…

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Q: Which nuclear process results in an increase in the charge number? O Beta emission O Alpha emission…

A: Which nuclear process results in an increase in the charge number?

Q: 222 39 98 s6 Rn Ca "Tc 20 43-

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Q: Based on their neutron to proton ratio, what type of nuclear decay would you expect for each of the…

A: The type of nuclear decay for two isotopes, Y-96 & Ce-139, based on their neutron to proton…

Q: 7. Identify the unknown particles X, A and Z in the following nuclear reactions: (a) X+ He→ 검Mg + bn…

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Q: Livermorium-292 is formed by bombarding hassium-281 with oxygen-16. How many neutrons are released…

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