The atomic number of the resulting nucleas after emitting a beta particle.
Answer to Problem 3TE
The atomic number of the resulting is nucleas is 91.
Explanation of Solution
The proton is located in the nucleus of the atom, thereby leaving electron as a beta particle. When a nucleus of the atom ejects a beta particle, then changes will be seen in the atomic number, not in mass numbers. The atomic number gets increased by 1.
When thorium decays by emitting a beta particle, it means an electron is ejected, so the resulting nucleus's atomic number is increased by 1 proton. The resulting element, thus has 91 atomic number.
Conclusion:
herefore, the atomic number of the resulting is nucleas is 91.
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