A radioactive sample contains 3.01×1018 atoms of a nuclide that decays at a rate of 3.28×1013 disintegrations per 15 min. What percentage of the nuclide will have decayed after 171 days. percent decayed=   % How many atoms of the nuclide will remain in the sample? ?t=   atoms What is the half‑life of the nuclide? ?1/2=

Q: If the initial sample is  1.25 g,  what mass of the original iridium‑192 remains after  65  days?…

A: According to the question we have, Initial mass (original mass) of the sample= Mo = 1.25 g Time (t)…

Q: A radioactive nuclide 60/27 Co has a half-life of 5.27 years. Calculate the mass of 60/27Co that…

A: Given the half-life period of radioactive nuclide 60/27 Co has a half-life of 5.27 years.  Mass of…

Q: Complete the following nuclear equations. Write the mass number, atomic number, and symbol for the…

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Q: A radioactive sample decays with a half-life of 71.19 minutes. If the original activity of the…

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Q: 3) Californium, element number 98, was first synthesized by bombarding an element with alpha…

A: Energy corresponding to m mass is  E=mc2

Q: . If Astatine-222 loses a postitron particle, the resulting nuclide is a. Radon-222 b.…

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Q: The Cs-131 nuclide has a half-life of 30 years. After 120 years, 3.0 g remain. What is the original…

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Q: released absorbed Is energy released or absorbed by this reaction? neither released nor absorbed I…

A: The energy released or absorbed in the reaction has to be determined The amount of energy released…

Q: Fill in the nuclide symbol for the missing particle in the following nuclear equation. e+*N

A: Beta+  Decay :  when the nucleus of an atom emits an electron  in a process that changes a neutron…

Q: Based on nuclear stability, what is the symbol for the most likely product nuclide when strontium-80…

A: Answer

Q: The radioisotope potassium-40 decays to argon-40 by positron emission with a half-life of 1.3 × 109…

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Q: When the nuclide phosphorus-32 undergoes beta decay: The name of the product nuclide is___________.…

A: In beta decay, a neutron changes into a proton. So the atomic number of of the nuclear raised up by…

Q: The following reaction represents what nuclear process? Cs + -je → 3Ba 137 55 137 beta emission B.…

A: The following types of radioactive decay are : i) α-emission : In this decay a helium nucleus is…

Q: Phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. How long will it…

A: Since the decay reactions are first order. Hence half life = ln(2) / K  where K = decay constant…

Q: When the nuclide polonium-214 undergoes alpha decay The name of the product nuclide is The symbol…

A: Alpha decay: The nuclear reaction in which the parent nucleus emits a daughter nucleus along with an…

Q: 21083Bi→42He +20681Tl + ________ Complete the nuclear equation above. alpha particle beta particle…

A: The reaction given is, => 21083Bi→42He +20681Tl + AZX

Q: Based on nuclear stability, what is the symbol for the most likely product nuclide when cesium-129…

A: Interpretation : We have to tell what is the mode of decay for cesium-129 .