Writing nuclear equations for alpha, beta, and gamma decay | Chemistry | Khan Academy

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Writing nuclear equations for alpha, beta, and gamma decay.

Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.

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literally my chem teacher doesn't teach so thank you so much for this

liverslater

Wow u explained that so much better than my lecturer

mugg

I can’t wait for the day where I will use this in my life!

lamaduckie

Beta decay can also be caused by the emitting of a positron. The antimatter equivalent of an electron. Same mass but a positive charge instead of a negative charge.

requiem

Does anything change in a gamma decay equation if nothing was excited in the first place? So like in the example you used, if the technetium wasn't in an excited state, would it have just gone from 99/43 Tc to 99/43 Tc? Or would it have went backwards, like 99/43 Tc to 99m/43 Tc?

mudai_

My Chem teacher is awesome but I didn’t understand all this time and I have a quiz tomorrow. I’ve joined the club

aidangittings

@Orchestra Of Ruin, I don't believe you are right. Positron emission and electron capture are usually grouped together as two possible courses of action when a proton needs to convert into a neutron to stabilize the nucleus. Beta decay and positron emission are the result of different conditions, namely when a neutron needs to convert into a proton and when a proton needs to convert into a neutron, respectively. Therefore I believe your statement that beta decay can also be caused by the emission of a positron is incorrect. Please correct me if I am wrong.

noahfreedman

You saved so many lives that you might we might as well call you super man, but PLEASE talk louder even though this video came out in 2014.

freepointsgals

This makes me hate my teacher even more because of how simple it could be to teach

noahr

In beta(-) decay, where do we get the extra valance electron from? If Electrons=protons, and we are gaining one proton, while ejecting one electron..unless we are forming a cation does this mean we are also creating one valence electron? So a Neutron becomes a proton, electron, & a valence electron, for a total of 2 electrons?

remusomega

How would i represent both equations in one equation

starboii

What if you're given an equation, but you DON'T know which decay to apply to it??

silverstream

ARE NOT Mr.SAL KHAN OR NOT THE OWNER OF KHAN

alinaturak

5:30 I don't understand how you got 0 there sorry haha could someone please explain

warren

My science teacher is actually garbage if I compare this video to his teaching.

garrettwingler

Writing nuclear equations for alpha, beta, and gamma decay | Chemistry | Khan Academy

Writing nuclear equations for alpha, beta, and gamma decay | Chemistry | Khan Academy

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