Difference between revisions of "Radon"

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'''Radon''' is a [[noble gas]]. It is not to be confused with [[radium]], an [[alkali earth metal]].
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'''Radon''' is a [[noble gas]]. It is not to be confused with [[radium]], an [[alkali earth metal]]. The atomic weight of Radon-222, the most common isotope, is 222.0175777.
  
 
Radon is a radioactive gas which comes from the decay of uranium in the ground. The [[EPA]] claims that it is a health hazard and causes cancer in people and animals exposed to it, though many [[conservative]] commentators and some industrial hygienists<ref>Connell, C.P. ''Radon: Truth vs. myth''; Forensic Applications Consulting Technologies, Inc. [http://www.forensic-applications.com/radon/radon.html]</ref> state that the dangers are significantly exaggerated.
 
Radon is a radioactive gas which comes from the decay of uranium in the ground. The [[EPA]] claims that it is a health hazard and causes cancer in people and animals exposed to it, though many [[conservative]] commentators and some industrial hygienists<ref>Connell, C.P. ''Radon: Truth vs. myth''; Forensic Applications Consulting Technologies, Inc. [http://www.forensic-applications.com/radon/radon.html]</ref> state that the dangers are significantly exaggerated.

Revision as of 23:48, March 21, 2013

Radon is a noble gas. It is not to be confused with radium, an alkali earth metal. The atomic weight of Radon-222, the most common isotope, is 222.0175777.

Radon is a radioactive gas which comes from the decay of uranium in the ground. The EPA claims that it is a health hazard and causes cancer in people and animals exposed to it, though many conservative commentators and some industrial hygienists[1] state that the dangers are significantly exaggerated.

References

  1. ↑ Connell, C.P. Radon: Truth vs. myth; Forensic Applications Consulting Technologies, Inc. [1]
Periodic Table of the Elements
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1
H
1.008
2
He
4.003
3
Li
6.939
4
Be
9.0122
5
B
10.811
6
C
12.011
7
N
14.007
8
O
15.999
9
F
18.998
10
Ne
10.183
11
Na
22.99
12
Mg
24.312
13
Al
26.982
14
Si
28.086
15
P
30.974
16
S
32.064
17
Cl
35.453
18
Ar
39.948
19
K
39.102
20
Ca
40.08
21
Sc
44.956
22
Ti
47.9
23
V
50.942
24
Cr
51.996
25
Mn
54.938
26
Fe
55.847
27
Co
58.933
28
Ni
58.71
29
Cu
63.546
30
Zn
65.37
31
Ga
69.72
32
Ge
72.59
33
As
74.922
34
Se
78.96
35
Br
79.904
36
Kr
83.8
37
Rb
85.47
38
Sr
87.62
39
Y
88.905
40
Zr
91.22
41
Nb
92.906
42
Mo
95.94
43
Tc
[97]
44
Ru
101.07
45
Rh
102.91
46
Pd
106.4
47
Ag
107.87
48
Cd
112.4
49
In
114.82
50
Sn
118.69
51
Sb
121.75
52
Te
127.6
53
I
126.9
54
Xe
131.3
55
Cs
132.91
56
Ba
137.34
57*
La
138.91
72
Hf
178.49
73
Ta
180.95
74
W
183.85
75
Re
186.2
76
Os
190.2
77
Ir
192.2
78
Pt
195.09
79
Au
196.97
80
Hg
200.59
81
Tl
204.37
82
Pb
207.19
83
Bi
208.98
84
Po
210
85
At
210
86
Rn
222
87
Fr
215
88
Ra
226.03
89**
Ac
227.03
104
Rf
[261]
105
Db
[262]
106
Sg
[266]
107
Bh
[264]
108
Hs
[265]
109
Mt
[268]
110
Dt
[271]
111
Rg
[272]
112
Cn
[277]
113
Nh
[284]
114
Fv
[289]
115
Mc
[288]
116
Lv
[292]
117
Ts
[293]
118
Og
[294]
 
*Lanthanides
58
Ce
140.12
59
Pr
140.91
60
Nd
144.24
61
Pm
145
62
Sm
150.35
63
Eu
151.96
64
Gd
157.25
65
Tb
158.92
66
Dy
162.5
67
Ho
164.93
68
Er
167.26
69
Tm
168.93
70
Yb
173.04
71
Lu
174.97
 
**Actinides
90
Th
232.04
91
Pa
231
92
U
238.03
93
Np
237.05
94
Pu
239.05
95
Am
241.06
96
Cm
244.06
97
Bk
249.08
98
Cf
252.08
99
Es
252.08
100
Fm
257.1
101
Md
258.1
102
No
259.1
103
Lr
262.11
 
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