Science Memes

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Indeed it is. (lemmy.world)

submitted 7 months ago by [email protected] to c/[email protected]

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[–] [email protected] 0 points 7 months ago (1 children)

reminds me of this rhyme

little johnny is dead and gone, we'll see his face no more, for what he thought was H2O was H2SO4

[–] [email protected] 1 points 7 months ago* (last edited 7 months ago)

Which reminds me of this rhyme:

Young Tom went too soon, alas

He tried to trace the escaping gas.

With lighted match he braved this feat

Which blew him to the pearly gates!

[–] [email protected] 0 points 7 months ago (1 children)

Isn't HgU also pretty toxic though?

[–] [email protected] 0 points 7 months ago* (last edited 7 months ago) (2 children)

I don't think that's a possible compound. My chemistry knowledge is very rusty but I can recall ever hearing about a chemical bond between two metals.

Edit: I'm happy to have been corrected.

[–] [email protected] 1 points 7 months ago (1 children)

I [can't] recall ever hearing about a chemical bond between two metals

That's what alloys are. Brass, bronze, pewter, etc. Alloys containing mercury get the special name "amalgam", for some reason.

[–] [email protected] 1 points 7 months ago (2 children)

Does that mean that a piece of metal is essentially one giant molecule?

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

Essentially, yes.

Whether the term "molecule" technically includes or excludes a piece of metal is a bit more tricky. I lean towards "no" more than "yes" because there are some important differences between what we generally call a "molecule" and how we think about a glassy or a crystalline solid. But I think both positions are arguable. If we are not being pedantic, then essentially yeah.

[–] [email protected] 1 points 7 months ago* (last edited 7 months ago)

Kind of. Metallic bonding is a bit different from covalent bonding in that the electrons are delocalized over the entire material rather than trapped between specific atoms. The atoms are still stuck to each other by overlapping electron clouds though, so ¯\_(ツ)_/¯.

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

cesium auride?