Hi List,
I am still interested in knowing if there is a good way to do nuclear reactions
using \chemical. But I found something that works for my current needs:
\define[1]\Sr{\mathord{\rm Sr}__{38}^^{#1}}
\define[1]\Xe{\mathord{\rm Xe}__{54}^^{#1}}
\define[1]\U{\mathord{\rm U}__{92}^^{#1}}
\starttext
Reaction:
\startformula
\U{235} + n \rightarrow \Sr{94} + \Xe{140} + 2n
\stopformula
\stoptext
Since I will be writing many reactions with a dozen or so different atomic
symbols, it makes sense to create a command for each atomic symbol that adds
the correct atomic number and takes the mass number as an argument.
Hope someone else can benefit. I still getting used to ConTeXt's treatment of
{…}, which does not appear to be TeX's way.
Gavin
> On Apr 15, 2023, at 11:19 AM, Gavin <gavinpub...@comcast.net> wrote:
>
> Hi list,
>
> I’m writing nuclear reactions. When add prescripts to atomic symbols with two
> letters, (Be, Sr, Xe, etc.) the prescripts split the atoms! (See output
> below.)
>
> \starttext
> Text: \lohi[left]{4}{10}Be.
> Reaction:
> \startformula
> {\rm U}^^{235}__{92} + n \rightarrow {\rm Sr}^^{94}__{38} + {\rm
> Xe}^^{140}__{54} + 2n
> \stopformula
> \stoptext
>
> I looked at \chemical and \molecule, but could not find a way to make
> isotopes with those. Any ideas?
>
> Gavin
>
> <PastedGraphic-1.pdf>
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