1A
PERIODIC TABLE OF THE ELEMENTS
8B
1
H
2
He
1.0008
2A
3B
4B
5B
6B
7B
4.003
3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
6.941
9.012
10.81
12.01
14.01
16.00
19.00
20.18
11
Na
12
Mg
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
22.99
24.31
3A
4A
5A
6A
7A
--- 8 ---
1B
2B
26.98
28.09
30.97
32.06
35.45
39.95
19
K
20
Ca
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
39.10
44.96
47.90
50.94
52.00
55.85
58.93
58.70
63.55
65.38
69.72
72.59
74.92
78.96
79.90
83.80
37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
85.47
87.62
88.91
91.22
92.91
95.94
(98)
101.1
102.9
106.4
107.9
112.4
114.8
118.7
121.8
127.6
126.9
131.3
55
Cs
56
Ba
57
La
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
82
Pb
83
Bi
84
Po
85
At
86
Rn
132.9
137.3
138.9
178.5
180.9
183.9
186.2
190.2
192.2
195.1
197.0
200.6
204.4
207.2
209.0
(209)
(210)
(222)
87
Fr
88
Ra
89
Ac
A:고체원소 A:기체원소 A:액체원소 A:합성원소
(223)
226.0
227.0
란탄
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
71
Lu
140.1
140.9
144.2
(145)
150.4
152.0
157.3
158.9
162.5
164.9
167.3
168.9
173.0
175.0
악티늄
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
103
Lw
232.0
231.0
238.0
237.0
(244)
(243)
(247)
(251)
(252)
(257)
(268)
(259)
(260)
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