On Tue, 13 Apr 2021 03:24:50 +1000, "Rod Speed"
wrote:



"charles" wrote in message
...
In article ,
Andy Burns wrote:
charles wrote:

Steve Walker wrote:

I have long thought it wrong to mark down for spelling and grammar,
except in languages.

In chemisty? Is ita sulphate or a sulphide?

Sulfide or sulfate according to IUPAC

could well be, I never learned chemisty

I did, those are the american spellings.

They are also the internationally standardized spellings now. Maybe
not in backwaters like Oz.