this post was submitted on 08 Mar 2025
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[–] [email protected] 3 points 1 day ago* (last edited 1 day ago) (3 children)

Why is it safer to lick Lithium than Caesium?

Radon is a gas. I’d like to see you lick that. Same for the halogens, the noble gases, nitrogen, oxygen hydrogen and probably some I forgot.

[–] [email protected] 3 points 22 hours ago

I'm licking gaseous nitrogen right now

[–] [email protected] 2 points 22 hours ago (1 children)

The alkali metals get more strongly reactive the higher their atomic number.

Lithium will react pretty violently with the water in your saliva, but cesium will blow up your head. If you get enough of it wet to cover your tongue

[–] [email protected] 1 points 3 hours ago

The alkali metals get more strongly reactive the higher their atomic number.

I thought it was the other way around. Thanks for correcting me.

[–] [email protected] 4 points 1 day ago (1 children)

According to wikipedia

Because biochemical processes can confuse and substitute caesium with potassium, excess caesium can lead to hypokalemia, arrhythmia, and acute cardiac arrest, but such amounts would not ordinarily be encountered in natural sources.

[–] [email protected] 7 points 1 day ago

Both still react explosively with your tongue, leaving highly toxic remains.

I'm agreeing with the GP here, why is Lithium yellow?