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Confirm that charge, electron family number, and the total number of nucleons are all conserved by the rule for electron capture given in the equation$_{2}^{A} \mathrm{X}_{N}+e^{-} \rightarrow_{Z-1}^{A} Y_{N+1}+\nu_{e} \cdot$ To do this, identify the values of each before and after the capture.

So, the left side and right side of the equation have same charge, electron family number andtotal number of nucleon. So, these parameters are conserved.

Physics 103

Chapter 31

Radioactivity and Nuclear Physics

Nuclear Physics

Cornell University

University of Washington

Simon Fraser University

McMaster University

Lectures

02:51

In physics, wave optics is…

10:02

Interference is a phenomen…

01:38

Confirm that charge, elect…

02:11

04:27

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Verify by listing the numb…

01:49

03:26

Verify that the total numb…

03:28

04:49

02:31

03:05

(a) Calculate the energy r…

02:49

01:34

Use conservation of mass-e…

02:57

Confirm that each of the r…

04:15

43.49. Use conservation of…

An electron can interact w…

02:00

The decay mode of the nega…

01:32

(a) Write the complete rea…

05:42

The following nuclei are o…

06:51

Complete the following nuc…

Well, first of all, let's write down the reaction. The reaction is X, um hey said And well, X is in the nucleus. That is its atomic number is atomic mass. And M is the new from them. Uh, bliss e minus. And we have ah, resulting nucleus. Which is why, Ah, atomic mass. It remains the same. And atomic number decreases by one unit and neutron number increases by one unit on dhe. Then be having electrons. Neutrino. Okay, well, the charge of exes lust Dad on the charge. The charge Oh, X is losses. Add on charge off. Electron is minus one. Charge, charge or electron is minus one and total charge before capture. Daughter recharge before electron capture. Is that minus one? So total charge, um, before capture before capture. Capture is that minus one? Is that minus one? And charge your fly charge off resulting nucleus. Why, Uh, Is is that minus one? And Jonjo, freaky charge off. Neutrino is zero. Hence charge after reaction use and therefore charge After after reaction is zed minus one. Zed minus one. So ah, the charge in the reaction is conserved. All right. And the electron number off X is zero electron number electron number. Um, off X Oh, X is zero. And Elektra number off. Electron number. Oh, e minus is one one hands electoral number before the action Electron electron number before reaction before reaction. Um, is one electro number off? Why is zero electron number? Oh, why, which is the resulting nucleus is zero and electro number off. Ah, oui. Electron number off. We is, uh, one hence ah, electoral number after reaction. Electron number after reaction. Um, is also one. Hence, the electoral number in the reaction is conserved. Electron number in the reaction in the reaction is conserved is conserved. All right, and nuclear number for X or nuclear Olympians. Number off X, um, is a is a And for e minus, it is Ah, zero. We're talking about the nuclear arms number vehicle he owns number. Hence the nuclear arms number before reaction is a plus, zero is equal to zero. This is before reaction, Andi. Nuclear number or fly? Uh, nuclear number. Oh, why? Ah is okay. And for we it is Ah, zero. And after the reaction, the new pian number is, uh, um also a So this 80. Excuse me? hear April's zero is actually, uh, this is a and so, uh, the nuclear on number after after reaction Oh, is also a is also do you and then for new pian number is conserved. It is the same, uh, before and after reaction so a is conserved.

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