Ymmyd

reagh

Ta'n clowan shoh, {{kem}}, lhiggey dhyt formlaghyn kemmigagh y screeu dy aashagh. Myr sampleyr, vees:

{{kem|H|2|O}}

cur magh:

H2O

Focklyn algeeragh myr fo-screeuit

reagh

Ta focklyn algeeragh goll er taishbyney myr fo-screeuit. Cha nod ad goaill stiagh focklyn case mooar. Vees:

{{kem|C|''n''|H|2''n'' + 2}}

cur magh:

CnH2n + 2

Lught lectragh

reagh

Foddee oo cur stiagh lught lectragh myr kione-screeuyn. Vees:

{{kem|H|3|O|+}}

cur magh:

H3O+

T'eh lowal dhyt fo-screeuyn as kione-screeuyn y chur stiagh ec y traa cheddin. Vees:

{{kem|SO|4|2-}}

cur magh

SO2−4

Earroo breneenagh as trimmid breneenagh

reagh

Ta'n chied pharameter son earroo breneenagh:

{{kem|4|He}}
4He

Ta'n chied daa pharameter son earroo as trimmid breneenagh:

{{kem|4|2|He}}
42He
Notey
Cha nod agh y chied daa pharameter toiggal daa earroo gyn cowrey (+ ny -) oc. Ayns ynnyd elley, vees y clowan gobbraghey ayns lhoobey.

Kiangley

reagh

Ta'n parameter kiangley cur stiagh kiangley. Myr sampleyr, vees:

{{kem|kiangley=ushtey|H|2|O}}

cur magh:

H2O

Foddee oo kiangley unnidyn myr shoh:

{{kem|[[Hiddragien|H]]|2|[[Ocsygien|O]]}} 
H2O

Nodyn

reagh
  • Son dy ghoaill stiagh "=" 'syn 'ormley, screeu "=" Myr sampleyr, vees "{{kem|CH|2|=CH|2}}" cur magh CH2=CH2.
  • T'eh goaill stiagh 20 parameter.