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Ch.20 - Radioactivity and Nuclear Chemistry
Tro - Chemistry: A Molecular Approach 4th Edition
Tro4th EditionChemistry: A Molecular ApproachISBN: 9780134112831당신이 사용하는 게 아니라요?교과서 변경
20장, 문제 35

Fill in the missing particles in each nuclear equation.
a. ____ → 21785At + 42He
b. 24194Pu → 24195Am + ____
c. 1911Ne → 1910Ne + ____
d. 7534Se + _____ → 7533As

검증된 단계별 안내
1
Identify the type of nuclear reaction occurring. In this case, the atomic number decreases by 1, indicating a beta-plus decay (positron emission).
In beta-plus decay, a proton is converted into a neutron, and a positron (\( \beta^+ \)) is emitted.
Write the nuclear equation for beta-plus decay: \( ^{19}_{11}\text{Ne} \rightarrow ^{19}_{10}\text{Ne} + \beta^+ \).
The missing particle is a positron, represented as \( \beta^+ \) or \( ^{0}_{+1}e \).
Verify that the mass number and atomic number are balanced on both sides of the equation.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
1m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Nuclear Reactions

Nuclear reactions involve changes in an atom's nucleus and can result in the transformation of one element into another. These reactions are characterized by the conservation of mass and charge, meaning that the total number of protons and neutrons must remain constant before and after the reaction.
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가이드 코스
02:06
Nuclear Binding Energy

Isotopes

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons. In the context of nuclear equations, isotopes are crucial for understanding how elements can undergo decay or transformation while maintaining their elemental identity.
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Particle Emission

In nuclear equations, particle emission refers to the release of particles such as alpha particles, beta particles, or gamma rays during a nuclear reaction. Identifying the missing particle in a nuclear equation often involves recognizing the type of decay or reaction occurring, which dictates what particle is emitted to balance the equation.
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