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English
radon-221
isotope of radon
Rn-221
221Rn
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Statements
instance of
isotope of radon
series ordinal
221
follows
radon-220
followed by
radon-222
0 references
subclass of
radon
0 references
mass
221.015535709±0.000006134
dalton
uncertainty corresponds to
standard deviation
1 reference
stated in
The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures
The AME2016 atomic mass evaluation (II). Tables, graphs and references
retrieved
1 March 2017
reference URL
http://amdc.in2p3.fr/masstables/Ame2016/mass16.txt
atomic number
86
0 references
neutron number
135
0 references
parity quantum number
1
1 reference
stated in
NuDat
retrieved
23 June 2016
edition number
2.6
reference URL
http://www.nndc.bnl.gov/nudat2/reCenter.jsp?n=135&z=86
spin quantum number
3.5
1 reference
stated in
NuDat
retrieved
23 June 2016
edition number
2.6
reference URL
http://www.nndc.bnl.gov/nudat2/reCenter.jsp?n=135&z=86
mass excess
14,471.42±5.714
kiloelectronvolt
uncertainty corresponds to
standard deviation
1 reference
stated in
The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures
The AME2016 atomic mass evaluation (II). Tables, graphs and references
retrieved
1 March 2017
reference URL
http://amdc.in2p3.fr/masstables/Ame2016/mass16.txt
decays to
polonium-217
decay mode
alpha decay
proportion
0.22
1 reference
retrieved
9 November 2015
reference URL
http://www.nndc.bnl.gov/nudat2/reCenter.jsp?z=86&n=135
edition number
2.6
stated in
NuDat
francium-221
decay mode
beta minus decay
proportion
0.78
1 reference
retrieved
9 November 2015
reference URL
http://www.nndc.bnl.gov/nudat2/reCenter.jsp?z=86&n=135
edition number
2.6
stated in
NuDat
half-life
25±2
minute
1 reference
reference URL
http://www.nndc.bnl.gov/nudat2/reCenter.jsp?z=86&n=135
binding energy
1,702,007.853±5.746
kiloelectronvolt
uncertainty corresponds to
standard deviation
1 reference
reference URL
http://amdc.in2p3.fr/masstables/Ame2016/mass16.txt
retrieved
1 March 2017
stated in
The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures
The AME2016 atomic mass evaluation (II). Tables, graphs and references
Identifiers
Google Knowledge Graph ID
/g/11bbxscx8b
0 references
Wolfram Language entity code
Entity["Isotope", "Radon221"]
0 references
Sitelinks
Wikipedia
(2 entries)
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bewiki
Радон-221
nlwiki
Radon-221
Wikibooks
(0 entries)
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Wikinews
(0 entries)
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Wikiquote
(0 entries)
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Wikisource
(0 entries)
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Wikiversity
(0 entries)
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Wikivoyage
(0 entries)
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Wiktionary
(0 entries)
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Multilingual sites
(0 entries)
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