Which of the following is the best definition for the term radionuclide? O the nucleus of all atoms an atom whose nucleus has more than 90 neutrons an atom whose nucleus can absorbs radiation an atom whose nucleus is unstable an atom whose neutrons and protons are equal

Q: Which of the following is emitted by radioactive nuclei and contains two protons and two neutrons? O…

A: Alpha particle- ( High energy) Helium nuclei consisting of two protons and two neutrons. Beta…

Q: Select the isotope that has the greatest stability per nucleon. 23 Na 11 56 Fe 26 84 Kr 36 H

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Q: If this figure were extended one more “generation” down, howmany neutrons would be produced?

A: Nuclear fission reaction is the type of reaction where a heavy nucleus splits into two more more…

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

A: Correct Ans - TRUE

Q: A particular isotope has too many protons compared to neutrons to be stable. What type of…

A: Alpha decay - Alpha decay is caused when there are too many protons in a nucleus. In this case the…

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: An positively charged particle with the same mass as an electron emitted as nuclear radiation is…

A: we need to tell which particle is positively charged and has mass equal to mass of electron

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: What type of radiation has a positive charge? Alpha particle a Beta particle B Gamma ray y Delta ray…

A: There are 4 type of radiation observed from the emission of a radioactive substance. Alpha radiation…

Q: Draw structural formulas for the products of hydrolysis of aspartame in 1 M HCl

A: Hydrolysis: The reaction in which chemical compound is breakdown in presence of water is termed as…

Q: acetic acid + sodium acetate balanced equilibrium equation

A: Balance chemical equation is defined as which has equal number of atoms or ions in both sides…

Q: Based on the evidence shown, what is the atomic number of thorium? A B CO U Parent nucleus…

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Q: Which of the following isotopes of calcium would be the most stable?     calcium- 38 calcium- 40…

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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: QUESTION 16 ased on the figure from the lecture slides showing the isotopes for the first twenty…

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Q: A radioisotope captures an electron. That means   it emits a gamma particle   it becomes a…

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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: What is the zone of stability? What are three decay processes that help an isotope get to the zone…

A: Zone of stability or band of stability is the region in the plot of number of protons versus number…

Q: 83Sr is a radioactive isotope. What is the most likely mode of radioactive decay for83Sr? and why

A: A question based on nuclear reactions. A radioisotope is prescribed for which the most likely mode…

Q: which extra particle is an isotope cause it to be unstable

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Q: What describes the emissions of an isotope that gives off both beta and gamma radiation? O a mixture…

A: Emission of an isotope

Q: Write the isotope symbol for each radioisotope. Replace the question marks with the proper integers.…

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Q: Complete the table for the radioactive isotope. (Round your answers to two decimal places.) Amount…

A: Answer:Here:

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: What are the types of radiation emitted by the nuclei of radioactive elements? A) Helium nuclei B)…

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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…