Fill in the blank Cerium-242, , undergoes alpha decay. If cerium-242 releases an alpha particle, the...
Fill in the blank
Cerium-242, , undergoes alpha decay. If
cerium-242 releases an alpha particle, the resultant atom has an
atomic number of_________________ , a mass number of______________
, and the periodic table symbol _________
Homework Answers
242Ce96 -----------------------------> 238 Pu94 + 4He2
atomic number is 94
mass number is 238
symbol is Pu
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Fill in the blank
Cerium-242, , undergoes alpha decay. If
cerium-242 releases an alpha particle, the...
108 H 265 undergoes alpha decay, the daughter nuclide of this process (other than the alpha...
108 H 265 undergoes alpha decay, the daughter nuclide of this
process (other than the alpha particle) will have the following
:
10. Hs undergoes alpha decay, the daughter nuclide of this process (other than the alpha particle) will have the following: Chemical symbol: Mass number: Atomic number:
A polonium isotope with an atomic mass of 218.008973 u undergoes alpha decay, resulting in a...
A polonium isotope with an atomic mass of 218.008973 u undergoes alpha decay, resulting in a daughter isotope with an atomic mass of 213.999805 u. lgnoring any recoil of the daughter, find the kinetic energy of the emitted alpha particle in megaelectronvolts (MeV) Number MeV
AU-238 atom undergoes alpha decay. The daughter atom then undergoes beta minus decay into a second...
AU-238 atom undergoes alpha decay. The daughter atom then undergoes beta minus decay into a second daughter atom. What is the second daughter atom? 0 U-235 Th-238 Th-234 O Pa-234 O Rn-222 Question 20 AU-238 atom (uranium-238) has a nucleus with 92 protons and an atomic mass of 238.0507882 u. What is the nuclear binding energy per nucleon in this atom? O 1.93 MeV 0 7.57 MeV O 12.3 MeV O 19.6 MeV O 1802 MeV
17. When francium 223 87 Fr undergoes alpha decay, what daughter nucleus is produced? 222 A)...
17. When francium 223 87 Fr undergoes alpha decay, what daughter nucleus is produced? 222 A) Rn 86 B) 233 Ra 88 C) 221 Ро 84 219 D) At 85 E) 221 At 85 18. When krypton 89 Kr undergoes betat decay, what daughter nucleus is produced? 36 89 85 88 89 B) Br C) Se D) Sr E) Rb 35 34 38 37 A) 88 Rb 37 236 19. Which one of the following occurs when Ra undergoes beta...
Thorium (with half-life T1/2 = 1.913 yr. and atomic mass 228.0287 u) undergoes alpha decay and...
Thorium (with half-life T1/2 = 1.913 yr. and atomic mass 228.0287 u) undergoes alpha decay and produces radium (atomic mass 224.0202 u) as a daughter nucleus. (Assume the alpha particle has atomic mass 4.002603 u.) 1) What is the decay constant of thorium? (Note that the answer must be in units of hrs-1.) λ = 2) What percent of thorium is left after 200 days? 3) The energy released from the decay of 10 g of thorium is used to...
A uranium-238 nucleus at rest undergoes radioactive decay, splitting into an alpha particle (helium nucleus) with...
A uranium-238 nucleus at rest undergoes radioactive decay, splitting into an alpha particle (helium nucleus) with mass 6.64×10-27 kg and a thorium nucleus with mass 3.89×10-25 kg. The measured kinetic energy of the alpha particle is 4.49×10-13 J. After the decay, what is the magnitude of the momentum of the thorium nucleus? Incorrect. Tries 1/20 Previous Tries After the decay, what is the kinetic energy of the thorium nucleus? 7.664×10-15 J You are correct. Your receipt no. is 158-4017
QUESTION 18 Pa-227 undergoes alpha decay. What is the product nucleus? Enter your answer using the...
QUESTION 18 Pa-227 undergoes alpha decay. What is the product nucleus? Enter your answer using the same format e symbol-mass number
144Nd60 (Neodymium, element 60 with 60 protons and 144 nucleons) decays by alpha particle emission as...
144Nd60 (Neodymium, element 60 with 60
protons and 144 nucleons) decays by alpha particle emission as
follows: 144Nd60 -->
+ 140Ce58 + 2e + an essentially massless
neutrino (Cerium has 58 protons and 140 nucleons). If the atomic
masses are: 144Nd60: 143.910082 amu, alpha
particle: 4.0015065 amu, 140Ce58: 139.905434
amu and the electrons have a rest mass of 5.48581*10-4
amu, how much energy is released in this decay process, in MeV?
using the periodic table, write a alpha, beta, or positron decay of any element. When writing...
using the periodic table, write a alpha, beta, or positron decay of any element. When writing an element, use the superscript and subscript text to add in atomic mass and nuclear charge for each element. use the dash and greater then symbol for the reaction arrow.
A uranium nucleus (mass 238 u), initially at rest, undergoes a radioactive decay. After an alpha...
A uranium nucleus (mass 238 u), initially at rest, undergoes a radioactive decay. After an alpha particle ( mass 4.0 u) is emitted, the remaining nucleus is thorium (mass 234 u). If the alpha particle is moving at 0.050 times the speed of light, what is the recoil speed of the thorium nucleus?
108 H 265 undergoes alpha decay, the daughter nuclide of this
process (other than the alpha particle) will have the following
:
10. Hs undergoes alpha decay, the daughter nuclide of this process (other than the alpha particle) will have the following: Chemical symbol: Mass number: Atomic number:
A polonium isotope with an atomic mass of 218.008973 u undergoes alpha decay, resulting in a daughter isotope with an atomic mass of 213.999805 u. lgnoring any recoil of the daughter, find the kinetic energy of the emitted alpha particle in megaelectronvolts (MeV) Number MeV
AU-238 atom undergoes alpha decay. The daughter atom then undergoes beta minus decay into a second daughter atom. What is the second daughter atom? 0 U-235 Th-238 Th-234 O Pa-234 O Rn-222 Question 20 AU-238 atom (uranium-238) has a nucleus with 92 protons and an atomic mass of 238.0507882 u. What is the nuclear binding energy per nucleon in this atom? O 1.93 MeV 0 7.57 MeV O 12.3 MeV O 19.6 MeV O 1802 MeV
17. When francium 223 87 Fr undergoes alpha decay, what daughter nucleus is produced? 222 A) Rn 86 B) 233 Ra 88 C) 221 Ро 84 219 D) At 85 E) 221 At 85 18. When krypton 89 Kr undergoes betat decay, what daughter nucleus is produced? 36 89 85 88 89 B) Br C) Se D) Sr E) Rb 35 34 38 37 A) 88 Rb 37 236 19. Which one of the following occurs when Ra undergoes beta...
QUESTION 18 Pa-227 undergoes alpha decay. What is the product nucleus? Enter your answer using the same format e symbol-mass number
144Nd60 (Neodymium, element 60 with 60
protons and 144 nucleons) decays by alpha particle emission as
follows: 144Nd60 -->
+ 140Ce58 + 2e + an essentially massless
neutrino (Cerium has 58 protons and 140 nucleons). If the atomic
masses are: 144Nd60: 143.910082 amu, alpha
particle: 4.0015065 amu, 140Ce58: 139.905434
amu and the electrons have a rest mass of 5.48581*10-4
amu, how much energy is released in this decay process, in MeV?
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