錳嘅同位素

錳嘅同位素有32個，只係得⁵⁵Mn（錳-55）係穩定，其餘嘅都係唔穩定。

圖表

符號	Z（p）	N（n）	質量（u）	半衰期	原子核自旋	相對豐度	相對豐度嘅變化率
符號	激發能量			半衰期	原子核自旋	相對豐度	相對豐度嘅變化率
⁴⁴Mn	25	19	44.00687(54)#	<105 ns	(2-)#
⁴⁵Mn	25	20	44.99451(32)#	<70 ns	(7/2-)#
⁴⁶Mn	25	21	45.98672(12)#	37(3) ms	(4+)
^46mMn	150(100)# keV			1# ms	1-#
⁴⁷Mn	25	22	46.97610(17)#	100(50) ms	5/2-#
⁴⁸Mn	25	23	47.96852(12)	158.1(22) ms	4+
⁴⁹Mn	25	24	48.959618(26)	382(7) ms	5/2-
⁵⁰Mn	25	25	49.9542382(11)	283.29(8) ms	0+
^50mMn	229(7) keV			1.75(3) min	5+
⁵¹Mn	25	26	50.9482108(11)	46.2(1) min	5/2-
⁵²Mn	25	27	51.9455655(21)	5.591(3) d	6+
^52mMn	377.749(5) keV			21.1(2) min	2+
⁵³Mn	25	28	52.9412901(9)	3.74(4)E+6 a	7/2-
⁵⁴Mn	25	29	53.9403589(14)	312.03(3) d	3+
⁵⁵Mn	25	30	54.9380451(7)	穩定	5/2-	1.0000
⁵⁶Mn	25	31	55.9389049(7)	2.5789(1) h	3+
⁵⁷Mn	25	32	56.9382854(20)	85.4(18) s	5/2-
⁵⁸Mn	25	33	57.93998(3)	3.0(1) s	1+
^58mMn	71.78(5) keV			65.2(5) s	(4)+
⁵⁹Mn	25	34	58.94044(3)	4.59(5) s	(5/2)-
⁶⁰Mn	25	35	59.94291(9)	51(6) s	0+
^60mMn	271.90(10) keV			1.77(2) s	3+
⁶¹Mn	25	36	60.94465(24)	0.67(4) s	(5/2)-
⁶²Mn	25	37	61.94843(24)	671(5) ms	(3+)
^62mMn	0(150)# keV			92(13) ms	(1+)
⁶³Mn	25	38	62.95024(28)	275(4) ms	5/2-#
⁶⁴Mn	25	39	63.95425(29)	88.8(25) ms	(1+)
^64mMn	135(3) keV			>100 µs
⁶⁵Mn	25	40	64.95634(58)	92(1) ms	5/2-#
⁶⁶Mn	25	41	65.96108(43)#	64.4(18) ms
⁶⁷Mn	25	42	66.96414(54)#	45(3) ms	5/2-#
⁶⁸Mn	25	43	67.96930(64)#	28(4) ms
⁶⁹Mn	25	44	68.97284(86)#	14(4) ms	5/2-#

備註：有#嘅數據代表冇經過實驗嘅證明，只係理論推測，而用咗括號括係代表數據唔確定。

Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.

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