Isotope				Relative Atomic Mass		Isotopic   Composition	Standard Atomic Weight	Notes
7	N	14	14.003 074 004 43(20)	0.996 36(20)	[14.006 43, 14.007 28]
		15	15.000 108 898 88(64)	0.003 64(20)
9	F	19	18.998 403 162 73(92)	1	18.998 403 163(6)
16	S	32	31.972 071 1744(14)	0.9499(26)	[32.059, 32.076]
		33	32.971 458 9098(15)	0.0075(2)
		34	33.967 867 004(47)	0.0425(24)
		36	35.967 080 71(20)	0.0001(1)