Радій

Z 88 226,0 г/мольЛужноземельний метал Радіоактивний

Огляд Атомні властивості Термодинаміка Електромагнетизм Ізотопи


²⁰¹Ra	113	201,0128	11 937,0	---	20,0 мс	(3/2-)	α¹⁹⁷Rn(100%)	2005
^201mRa	113	201,0131	12 200,0	---	6,0 мс	13/2+	α¹⁹⁷Rn(100%)	2005
²⁰²Ra	114	202,0097	9 075,0	---	4,1 мс	0+	α¹⁹⁸Rn(100%)	2005
²⁰³Ra	115	203,0092	8 601,0	---	36,0 мс	3/2-	α¹⁹⁹Rn(100%) β⁺²⁰³Fr	1996
^203mRa	115	203,0095	8 848,0	---	25,0 мс	13/2+	α¹⁹⁹Rn(100%) β⁺²⁰³Fr	1996
²⁰⁴Ra	116	204,0065	6 061,0	---	60,0 мс	0+	α²⁰⁰Rn(100%) β⁺²⁰⁴Fr	1995
²⁰⁵Ra	117	205,0062	5 804,0	---	220,0 мс	3/2-	α²⁰¹Rn(100%) β⁺²⁰⁵Fr	1987
^205mRa	117	205,0065	6 067,0	---	180,0 мс	13/2+	α²⁰¹Rn(100%) γ²⁰⁵Ra β⁺²⁰⁵Fr	1995
²⁰⁶Ra	118	206,0038	3 566,0	---	240,0 мс	0+	α²⁰²Rn(100%) β⁺²⁰⁶Fr	1967
²⁰⁷Ra	119	207,0038	3 510,0	---	1,38 с	(5/2-)	α²⁰³Rn(86%) β⁺²⁰⁷Fr	1967
^207mRa	119	207,0044	4 071,0	---	57,0 мс	13/2+	γ²⁰⁷Ra(85%) α²⁰³Rn β⁺²⁰⁷Fr	1987
²⁰⁸Ra	120	208,0019	1 728,0	---	1,11 с	0+	α²⁰⁴Rn(87%) β⁺²⁰⁸Fr	1967
^208mRa	120	208,0042	3 875,0	---	263,0 нс	(8+)	γ²⁰⁸Ra(100%)	1998
²⁰⁹Ra	121	209,002	1 858,0	---	4,71 с	5/2-	α²⁰⁵Rn(100%) β⁺²⁰⁹Fr	1967
^209mRa	121	209,0029	2 740,0	---	117,0 мкс	13/2+	α²⁰⁵Rn(90%) β⁺²⁰⁹Fr(10%)	2008
²¹⁰Ra	122	210,0005	443,0	---	4,0 с	0+	α²⁰⁶Rn(100%) β⁺²¹⁰Fr	1967
^210mRa	122	210,0027	2 494,0	---	2,29 мкс	8+	γ²¹⁰Ra(100%)	1998
²¹¹Ra	123	211,0009	832,0	---	12,6 с	5/2-	α²⁰⁷Rn(100%) β⁺²¹¹Fr	1967
^211mRa	123	211,0022	2 030,0	---	9,5 мкс	13/2+	γ²¹¹Ra(100%)	2004
²¹²Ra	124	211,9998	-199,0	---	13,0 с	0+	α²⁰⁸Rn β⁺²¹²Fr	1967
^212mRa	124	212,0019	1 759,0	---	9,3 мкс	8+	γ²¹²Ra(100%)	1986
²¹²ⁿRa	124	212,0026	2 414,0	---	850,0 нс	11-	γ²¹²Ra(100%)	1986
²¹³Ra	125	213,0004	346,0	---	2,73 хв	1/2-	α²⁰⁹Rn(87%) β⁺²¹³Fr(13%)	1955
^213mRa	125	213,0023	2 114,0	---	2,2 мс	(17/2-)	γ²¹³Ra(99%) α²⁰⁹Rn(0,6%)	1976
²¹⁴Ra	126	214,0001	93,0	---	2,44 с	0+	α²¹⁰Rn(99,941%) β⁺²¹⁴Fr(0,059%)	1967
^214mRa	126	214,0021	1 913,0	---	118,0 нс	6+	γ²¹⁴Ra(100%)	2004
²¹⁴ⁿRa	126	214,0021	1 958,0	---	67,3 мкс	8+	γ²¹⁴Ra(99,91%) α²¹⁰Rn(0,09%)	1971
²¹⁵Ra	127	215,0027	2 532,0	---	1,67 мс	(9/2+)	α²¹¹Rn(100%)	1967
^215mRa	127	215,0047	4 410,0	---	7,31 мкс	(25/2+)	γ²¹⁵Ra(100%)	1983
²¹⁵ⁿRa	127	215,0051	4 779,0	---	1,39 мкс	(29/2-)	γ²¹⁵Ra(100%)	1998
²¹⁶Ra	128	216,0035	3 291,0	---	172,0 нс	0+	α²¹²Rn(~100%) EC²¹⁶Fr(<1е-8%)	1972
²¹⁷Ra	129	217,0063	5 890,0	---	1,95 мкс	(9/2+)	α²¹³Rn(100%)	1970
²¹⁸Ra	130	218,0071	6 646,0	---	25,91 мкс	0+	α²¹⁴Rn(100%)	1970
²¹⁹Ra	131	219,0101	9 394,0	---	9,0 мс	(7/2+)	α²¹⁵Rn(100%)	1952
^219mRa	131	219,0101	9 411,0	---	10,0 мс	(11/2+)	α²¹⁵Rn(100%) γ²¹⁹Ra	2018
²²⁰Ra	132	220,011	10 272,0	---	18,1 мс	0+	α²¹⁶Rn(100%)	1949
²²¹Ra	133	221,0139	12 964,0	---	25,0 с	5/2+	α²¹⁷Rn(~100%) CD²⁰⁷Pb(1,2е-10%)	1949
²²²Ra	134	222,0154	14 320,0	---	33,6 с	0+	α²¹⁸Rn(~100%) CD²⁰⁸Pb(3е-8%)	1948
²²³Ra	135	223,0185	17 233,2	---	11,44 д	3/2+	α²¹⁹Rn(~100%) CD²⁰⁹Pb(8,9е-8%)	1905
²²⁴Ra	136	224,0202	18 825,8	---	3,63 д	0+	α²²⁰Rn(~100%) CD²¹⁰Pb(4е-9%)	1902
²²⁵Ra	137	225,0236	21 993,0	---	14,82 д	1/2+	β⁻²²⁵Ac(100%)	1947
²²⁶Ra	138	226,0254	23 667,6	---	1,6 кр	0+	α²²²Rn(~100%) CD²¹²Pb(2,6е-9%) β⁻	1898
²²⁷Ra	139	227,0292	27 177,5	---	42,2 хв	3/2+	β⁻²²⁷Ac(100%)	1953
²²⁸Ra	140	228,0311	28 940,2	---	5,75 р	0+	β⁻²²⁸Ac(100%)	1907
²²⁹Ra	141	229,035	32 562,0	---	4,0 хв	5/2+	β⁻²²⁹Ac(100%)	1975
²³⁰Ra	142	230,0371	34 516,0	---	1,55 год	0+	β⁻²³⁰Ac(100%)	1978
²³¹Ra	143	231,041	38 216,0	---	1,73 хв	(5/2+)	β⁻²³¹Ac(100%)	1983
^231mRa	143	231,0411	38 282,0	---	---	(1/2+)	γ²³¹Ra(100%)	2001
²³²Ra	144	232,0435	40 497,0	---	4,0 хв	0+	β⁻²³²Ac(100%)	1983
²³³Ra	145	233,0476	44 334,0	---	30,0 с	(1/2+)	β⁻²³³Ac(100%)	1990
²³⁴Ra	146	234,0504	46 931,0	---	30,0 с	0+	β⁻²³⁴Ac(100%) β⁻SF	1990
²³⁵Ra	147	235,0549	51 130,0	---	5,0 с	(5/2+)	β⁻²³⁵Ac	---

87Fr

89Ac