This Element Has A Half-Life Longer Than Universe’s Age

The half-life of Tellurium-128 is 2.2 Septillion years which is around 160 trillion times the age of the Universe! It decays into Xenon-128 by double beta decay. Half-life is the amount of time it takes for one half of a radioactive isotope to decay.

You may wonder which naturally-occurring element has the shortest half-life. That would be Francium, the 87th element, whose longest-lived isotope, francium-223, has a half-life of just 22 minutes.

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[Jack-yiuj]

Shoutout to the researcher who studied Tellurium since before the start of the universe

[a.panshpandya]

but Nihonium's half life is 20 sec.

[lindabennett]

I wrote a Python program to calculate and plot the graph of given isotopes.
Glad I didn't try Tellurium. How many zeroes in 2.2 septillion years?

[IHOPtakesforever]

Gordon Freeman in the flesh or in the hazard suit I took the liberty relieving you of your weapons, most of them were government

property as for the suit I think you've earned it.

(teleport)

The border world xen is in our control for the time being. Thanks to you, quite a nasty piece of work you

managed over there I am impressed.

(teleport)

That's why I'm here Mr. Freeman, I have recommended your services to my employers

and they have authorized me to offer you a job. They agree with me that you have limitless potential.

(teleport)

You've proved yourself a decisive man so I don't expect you'll have any trouble deciding what to do

if you're interested just step in the portal and I will take that as a yes. Otherwise will (gulp) i can offer

you a battle you have no chance of winning. Rather an anti-climax after what you've just survived.

Time to choose.

Wisely done Mr.Freeman I will see you up ahead.

[LukeTheFantasticMii]

They're waiting for you gordon.

IN THE TEST CHAMBER!

[unknowspecimen]

The shortest half life is called: "lost coast"

[The_Moon_Walker]

Ogennesson having half life of 0.69 milliseconds

[waterSuja]

_they're waiting for you gordon, in the

[Iam_seek]

No its organnesson it has 1.28 seconds

[anishashee]

Fr has a half life of just 22 minutes that's why it's the most expensive element in the Periodic table.

[crazieeez]

Naturally occurring. You can create atom with shorter half life. Also proton does not have a half life experimentally found yet.

[idklol]

Shoutout to oganesson which reverts to livermorium and has a half life of only a few milisecond or under a milisecond

[KendraYsabelleGrutas-chpd]

thank my teacher asked me and is correct because my

[claudiusfernandez]

I couldn't understand any thing....

[BobTaile]

so it's whole life is 44 minutes - or 2, 345 burgers flipped in my local McDonald's.
it all makes complete sense now.

[victoriamitchell]

Bismith(Element63) wants to know your location

[cmays]

I thought Bismuth has the longest half-life????

[FrenchFry_GTAG]

Isn’t francium also the most reactive alkali metals. I don’t know if I spelt this correctly

[MaleRadioOfficial]

Which element in the periodic table has a shorter half life than francium?
Astatine! Astatine-210 is synthetic but Astatine-219, the most stable isotope of astatine, has a half life of just 50 seconds!

[Passarium-]

That is incorrect. Francium-223 does have a half life of 22 minutes. But the naturally occurring element with the shortest half life is Astatine-210.