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Re: [lojban] Nomenclature of the periodic table





On 2 June 2016 at 19:36, MorphemeAddict <lytlesw@gmail.com> wrote:
I'm not a physicist (or a chemist) either, but one problem I foresee with this approach is that the names of elements are frequently modified in the names of the compounds those elements comprise, for example, carbon dioxide (CO2). The prefix "di-" is also a number, so it would mean putting together two or more number morphemes in such a way that they are still distinct and understandable. Something like " Element6(*1)+Element8*2 ".

That's a thing I don't like either, because it'd both mix both of the ways to use numbers in lujvo, AND be ambiguous about which one is which. Alternatively, we could use type-3 fu'ivla, like ratrpa, ratnre etc., then employ joi (which, surprisingly has rafsi -jol- & -joi-). For example, CO2 would be ratnxa'yjoirelyratrbi. Um, that's quite long, but not too long in comparison to the English "carbon dioxide" equivalent.
 
Valence numbers can come into play, too. I've seen these a lot with iron compounds. There are lots of different systems for adding numbers to these element and compound names: letters of various alphabets (alpha, beta; A/a, B/b; 1, 2), number prefixes from various languages (mono-, di-, tri- vs. uni-, bi-).

No, we ain't putting Latin/Greek prefixes into Lojbanic lujvo!
 

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On Thu, Jun 2, 2016 at 9:31 AM, la pluja <hr.muendler@gmail.com> wrote:
Something that has bugged me the last few days is the current nomenclature of the chemical elements.
I am relatively new to lojban but what I have learned quite early is that lojban tries to name every object/idea/concept systematically.
So for an example the lojban names for days in a week are named after there position in the week.
Monday (or "is a monday") for example is pavdei (a construct of the rafsi of pa and djedi), literally "one-day".

On the other hand the current nomenclature of chemical elements (https://jbo.wikipedia.org/wiki/dikni_selratni_cartu) is based on their trivia names in latin/english or whatsoever.

Why is this? It's like calling monday mondei in lojba.

I propose the chemical elements are called by the number of protons in their nuclei, which defines the chemical element (https://en.wikipedia.org/wiki/Chemical_element).

An possible implementation would be to combine the rafsi of the numbers with the rafsi of ratni.

An example:
 pavrat
x1 is an atom of atomic number 1 of isotope number/atomic weight x2; x1 is hydrogen of isotope number/atomic weight x2
 
and/or

x1 is a quantity of/contains/is made of hydrogen

The latter definition could of course also be made with gunma or something similar.

Any thoughts on that?

(Another proposal which might be discussed is if protons, neutrons and such should be called something equivalent to "up-up-down" [proton]
instead of protoni or nurtoni respectively. Then it would be necessary to define unambigious valsi for quantum states )

I am neither a physician nor an experienced lojbanist but this simply bugged me several days, so what do you think of it?

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