Calculate the amount of radioactivesubstance remaining after a specifiedtime has elapsed.

Q: How can the values of binding energies per nucleon be used to compare the stabilities of different…

A: How can the values of binding energies per nucleon be used to compare the stabilities of different…

Q: solve the nuclear decay problems.

A: In this the atomic no decreases by 1 but mass no remains same. this process is called positron…

Q: The nuclear symbol for an alpha particle is The name for the greek letter y is Of the radiations…

A: We have to predict the symbol, name and least penetrating and most penetrating.

Q: The discovery that uranium emitted invisible rays was made accidentally. O True O False

A: The answer is given as follows Uranium was discovered in 1789 by Martin Klaproth, a German chemist,…

Q: Describe several methods used to detect and measure radiation.

A: Describe several methods used to detect and measure radiation.

Q: Predict the mode of decay of xenon-118

A: Xenon is a noble gas has an atomic number 54 and mass number 131. Isotope of xenon , 118Xe54…

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: atium-90, ause of it: alf-life ot

A: Given data set: Half-life of strontium90 = 28.1 years Mass of strontium90 =  5.2 ng = 5.2*10^-9 g We…

Q: 20. What type of radioactive emission should be 28 expected for AI ? 13 A. H B. e D. e Е. Не +1 C.…

A: We have to tell which type of radioactive emission should be expected for 28Al13.

Q: Determine the type of emission or emissions (alpha, beta, or gamma) that occurred in  the following…

A: Determine the type of emission or emissions (alpha, beta, or gamma) that occurred in the following…

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

A:

Q: The nuclear symbol for an alpha particle is The name for the greek letter a is is the least…

A:

Q: The nuclear symbol for a beta particle is The name for the greek letter a is Of the radiations…

A: A beta particle, also known as beta radiation or beta ray which is considered a high energy and…

Q: The nuclear symbol for a beta particle is________ The name for the greek letter α is _________.…

A: To solve this problem first we have to know the symbol used in nuclear reaction then we will know…

Q: How does Hydrogen's atomic size and ionization energy level affect it's chemical properties?…

A: Hydrogen is non-metal and it makes the hydride anions so, due to this reason sometimes it also…

Q: true or false  Radioactive cobalt isotope Co57 is preferred as a diagnostic agent over Co60 due to…

A: True

Q: Complete the table for the radioactive isotope. (Round your answer to two decimal places.) Half-life…

A: Here given, The half-life of 226Ra (t1/2) = 1599 years Time (t) = 1000 years Initial amount (N0) =?…

Q: snip

A: Given: Half-life time of 238U, t1/2 = 4.5 x 109 yr Rock contains, It shows that 110meumol of 238U…

Q: list five (5) limitations of gas filled radioactive  detectors

A: Gaseous ionization detectors are used to detect the radiation by ionizing gas particles, which are…

Q: Which of the following types of radiation has the greatest penetrating ability?

A: Different types of radiations have varied penetrating power. Penetration means ability to pass…

Q: If the intensity of radiation from a radioactive sources is 6.1 units at a distance of 6.3 m, how…

A:

Q: Three key things that determine the hazard posed by radioisotopes include: O your exposure,…

A: A chemical element present in its unstable form is quite reactive so it breaks down to lower its…

Q: Define each of the following radiation units:a. radb. remc. gray

A: Radiation: It is one of the types of energy that will be produced from one source and it will…

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

A: Given data: Half-life, t1/2 = 1599 years Initial amount, [A]o = 240 g To calculate: Amount [A]t…

Q: Define the following terms a) curie b) roentgen c) radical d) rem e) LD50

A: a) Cutie is the quantity of radioactive substance that emits one curie of activity. b) Roentgen is a…

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 exact value of the critical mass depends on the shape of the radioactive substance. True or…

A: Critical mass of radioactive substance is the smallest amount of substance that is required to…

Q: 11. Which of the following poses a greater health hazard: a radioactive isotope with a short…

A: The given information says that both isotope are assumed to be in equal molar amounts and emits same…

Q: Complete the table for the radioactive isotope. (Round your answer to two decimal places.) Half-life…

A: Radioactive decay reactions are first order reactions. Since we know that the relationship between…

Q: Predict the mode of decay of indium-120.

A: Indium which contains two stable isotopes and one o f them,In-113,is used for the production of…

Q: Radiation weighting factor for thermal neutron always higher than its value for Beta particle.true…

A: Answer - Radiation weighting factor for thermal neutron always higher than its value for Beta…

Q: Describe the basic way that each device detects radioactivity: (a) film-badge dosimeter; (b)…

A: Film-badge dosimeter:It contains crystals of salts, such as calcium fluoride, that are excited by…

Q: It radioactive isotope of an unknown element is an extremely hazardous species if a 56 g sample of…

A: For readio activity the rate law is lna(a-x)= kt    a = initial concentration, ( a-x) =…

Q: Which isotopes are unstable with respect to  Nuclear Fission and Nuclear Fusion?

A: Given The following  isotopes are unstable with respect to  Nuclear Fission and Nuclear Fusion?…

Q: 48. If the decrease between 18 and 24 years in mass of radioactive matter is 4g, find its initial…

A: Radioactive decay follows first order kinetics.  We know that : k = 0.693/t(0.5) ...(1) k = rate…

Q: The initial enrichment of uranium in LWRS is 3% and the final (at discharge after 3 years in the…

A: Here we find out average neutron flux that is decay rate. The corresponding answer given below.

Q: What electronic process is the basis for detecting radioac-tivity in (a) a scintillation counter;…

A: A Geiger counter is a tool for radiation detection and measurement. It has applications in areas…

Q: che percentage of total annual radiation f

A:

Q: The nuclear symbol for an alpha particle is The name for the greek letter B is Of the radiations…

A: The most common nuclear particles are protons, neutrons, positrons , alpha (α) particles , beta (β)…

Q: E lement 107 was Sy nthesized by bombarding bismuth - 209 with ch romium -SL4 Write the eajuation…

A: In a nuclear reaction, overall A and overall Z remains same.

Q: Half-Life 1189 years Decay Rate, k Complete the table shown to the right for the half-life of a…

A: Given, Half life = 1189 years Decay rate, k = ?

Q: 1. What is the minimum thickness of a shield made of iron with density (7.8 g/cm'), in order that no…

A: Given,  The energy of beta-ray pass through = 2.27 MeV Density of iron shield = 7.8 g/cm3

Q: If T1/2 ( half-life) of such radiant substance is 2 d. The amount will be remain after 8 d is 2 mg…

A: After the passage of each half life one- half of the sample remains. So after one half life 1/2 of…

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: Solar energy can be produced by nuclear fission. Select one: True False

A: Given: Solar energy can be produced by nuclear fission To find: Whether the given statement is true…