Question

The ⁸⁰Br nuclide decays either by β⁻ decay or by electron capture.(b) Which process releases more energy? (Masses of atoms: ⁸⁰Br 5 79.918528 amu; ⁸⁰Kr 5 79.916380 amu; ⁸⁰Se 5 79.916520 amu; neglect the mass of electrons involved because these are atomic, not nuclear, masses.)

Answer 1

80Kr=79.916380 amu; 80Se=79.916520 amu; neglect the mass of electrons involved

What is electrons ?

The electron is a subatomic particle with an electric charge of one elementary charge less than positive. It is represented by the symbol. Due to their lack of components or substructure, electrons, which are part of the lepton particle family's first generation, are typically regarded to be elementary particles. The mass of an electron is roughly 1836 times less than that of a proton.

The electron has a half-integer intrinsic angular momentum (spin) that is described in terms of the reduced Planck constant,, among its quantum mechanical features. Since electrons are fermions, the Pauli exclusion principle states that no two electrons may be in the same quantum state. Since they can collide with other particles and can be diffracted like light, electrons, like all primary particles, display both wave and particle characteristics. The

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