TYPE	MASS	REMARK
c4	12.000	1.  C CSP3
c3	12.000	2.  C CSP2 ALKENE
co	12.000	3.  C CSP2 CARBONYL
c2	12.000	"4.  C CSP ALKYNE, C=C=O"
h	1.008	5.  H EXCEPT ON N/O
o2	15.995	"6.  O C-O-H, C-O-C"
o1	15.995	7.  O =O CARBONYL
n3	14.003	8.  N NSP3
n2	14.003	9.  N NSP2 (AMIDE)
n1	14.003	10. N NSP
f	18.998	11. F FLUORIDE
cl	34.969	12. Cl CHLORIDE
br	78.918	13. Br BROMIDE
i	126.900	14. I IODIDE
s2	31.972	15. S -S- SULFIDE
s+	31.972	16. S+ >S+ S-FONIUM
so	31.972	17. S >S=O S-OXIDE
s4	31.972	18. S >S02 SULFONE
si	27.977	19. Si SILANE
lp	3.000	20. LP LONE PAIR
ho	1.008	21. H -OH ALCOHOL
cp	12.000	22. C CYCLOPROPANE
hn	1.008	23. H NH AMINE
hx	1.008	24. H COOH CARBOXYL
p	30.994	25. P >P- PHOSPHINE
b3	11.009	26. B TRIGONAL
b4	11.009	27. B TETRAHEDRAL
hv	1.008	28. H C=COH/AMIDE
cr	12.000	29. C RADICAL
c+	12.000	30. C+ CARBONIUM ION
ge	73.922	31. Ge GERMANIUM
sn	117.902	32. Sn TIN
pb	207.977	33. Pb LEAD (IV)
se	79.917	34. Se SELENIUM
te	129.907	35. Te TELLURIUM
d	2.014	36. H DEUTERIUM
na	14.003	"37. N -N= AZO,PYRIDINE"
cz	12.000	38. C CSP2 CYCPROPENE
nh	14.003	39. N NSP3 (AMMONIUM)
np	14.003	40. N NSP2 (PYRROLE)
of	15.995	41. O OSP2 (FURAN)
sa	31.972	42. S SSP2 (THIOPHENE)
nb	14.003	43. N -N=N-O AZOXY
nz	14.003	45. N AZIDE (CENTER-N)
no	14.003	46. N N02 (NITRO)
oc	15.995	47. O CARBOXILATE
hb	1.008	48. H AMMONIUM
oe	15.995	49. O EPOXY
ca	12.000	50. C BENZENE
he	4.003	51. He HELIUM
ne	10.179	52. Ne NEON
ar	39.948	53. Ar ARGON
kr	83.800	54. Kr KRYPTON
xe	131.300	55. Xe XENON
cb	12.000	56. C CSP3 (CYCBUTANE)
cc	12.000	57. C CSP2 (CYCBUTENE)
cd	12.000	58. C C=O (CYBUTANONE)
mg	24.301	59. Mg MAGNESIUM
p5	30.994	60. P P (V)
fe2	55.847	61. Fe IRON (II)
fe3	55.847	62. Fe IRON (III)
ni2	58.710	63. Ni NICKEL (II)
ni3	58.710	64. Ni NICKEL(III)
co2	58.933	65. Co COBALT (II)
co3	58.933	66. Co COBALT (III)
ce	12.000	67. C C=O (CYPROPANON)
on	15.995	69. O AMINE OXIDE
ok	15.995	70. O KETONIUM OXYGEN
ck	12.000	71. C KETONIUM CARBON
nc	14.003	"72. N =N- IMINE, OXIME"
