A sample of 211 Th ejects 2 alpha particles and 4 beta particles. the resulting
ID: 529177 • Letter: A
Question
A sample of 211 Th ejects 2 alpha particles and 4 beta particles. the resulting isotope has an atomic number 6157380 020 Khan Academy octonary and then A sample of 231 ejects 2.lpha Particles and 4 beta portdes The resukng isotope hes an atomic number of 20 Th and an atomic mass of 201 alpha partides and 13 beta Particies. The resulting isotope has en atomic number of 94 X and an atomic mass of 94 15 points A sample of 43 Co eyects s alpha porticles. The resulting isotope has an atomic number of 10 and an atomic mass of 23 15/15 points I pre ous Answers alpha decay. write the nuclear reaction for this decay. Pu 246 undergoes anExplanation / Answer
NOTE: Ejection of an alpha particle decreases the atomic number of resulting isotope by 2 units and mass number by 4 units.
Ejection of a beta particle increases the atomic number of resulting isotope by 1 unit and no change in mass number.
(A)
If 21190Th ejects 2 alpha particle by 4 beta particles,
the resulting isotope has the atomic number 90 and mass number 203. 20390Th
(B)
If 21393Np ejects 14 alpha and 13 beta paticles,
the resulting isotope has the atomic number 78 and mass number 157.
(C)
If 4320Ca ejects 5 alpha particles,
the resulting isotope has the atomic number 10 and mass number 23. 2310Ne