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↓ 週期		1IA2IIA3IIIB4IVB5VB6VIB7VIIB8VIIIB9VIIIB10VIIIB11IB12IIB13IIIA14IVA15VA16VIA17VIIA18VIIIA
1
1
H
氫
1.00794
发现年期
熔點
沸點
每個外殼的電子
電子排布
物態
區
s
p
d
f
2
He
氦
4.002602
2
3
Li
鋰
6.941
4
Be
鈹
9.012182
5
B
硼
10.811
6
C
碳
12.0107
7
N
氮
14.0067
8
O
氧
15.9994
9
F
氟
18.9984032
10
Ne
氖
20.1797
3
11
Na
鈉
22.98976928
12
Mg
鎂
24.305
13
Al
鋁
26.9815386
14
Si
矽
28.0855
15
P
磷
30.973762
16
S
硫
32.065
17
Cl
氯
35.453
18
Ar
氬
39.948
4
19
K
鉀
39.0983
20
Ca
鈣
40.078
21
Sc
鈧
44.955912
22
Ti
鈦
47.867
23
V
釩
50.9415
24
Cr
鉻
51.9961
25
Mn
錳
54.938045
26
Fe
鐵
55.845
27
Co
鈷
58.933195
28
Ni
鎳
58.6934
29
Cu
銅
63.546
30
Zn
鋅
65.38
31
Ga
鎵
69.723
32
Ge
鍺
72.63
33
As
砷
74.9216
34
Se
硒
78.96
35
Br
溴
79.904
36
Kr
氪
83.798
5
37
Rb
銣
85.4678
38
Sr
鍶
87.62
39
Y
釔
88.90585
40
Zr
鋯
91.224
41
Nb
鈮
92.90638
42
Mo
鉬
95.96
43
Tc
鎝
[98]
44
Ru
釕
101.07
45
Rh
銠
102.9055
46
Pd
鈀
106.42
47
Ag
銀
107.8682
48
Cd
鎘
112.411
49
In
銦
114.818
50
Sn
錫
118.71
51
Sb
銻
121.76
52
Te
碲
127.6
53
I
碘
126.90447
54
Xe
氙
131.293
6
55
Cs
銫
132.9054519
56
Ba
鋇
137.327
*
72
Hf
鉿
178.49
73
Ta
鉭
180.94788
74
W
鎢
183.84
75
Re
錸
186.207
76
Os
鋨
190.23
77
Ir
銥
192.217
78
Pt
鉑
195.084
79
Au
金
196.966569
80
Hg
汞
200.59
81
Tl
鉈
204.3833
82
Pb
鉛
207.2
83
Bi
鉍
208.9804
84
Po
釙
[210]
85
At
砈
[210]
86
Rn
氡
[222]
7
87
Fr
钫
[223]
88
Ra
鐳
[226]
**
104
Rf
鑪
[267]
105
Db
𨧀
[268]
106
Sg
𨭎
[269]
107
Bh
𨨏
[270]
108
Hs
𨭆
[269]
109
Mt
䥑
[278]
110
Ds
鐽
[281]
111
Rg
錀
[281]
112
Cn
鎶
[285]
113
Nh
鿭
[286]
114
Fl
鉨
[289]
115
Mc
鏌
[288]
116
Lv
鉝
[293]
117
Ts
鿬
[294]
118
Og
鿫
[294]
* 鑭系元素
57
La
鑭
138.90547
58
Ce
鈰
140.116
59
Pr
鐠
140.90765
60
Nd
釹
144.242
61
Pm
鉕
[145]
62
Sm
釤
150.36
63
Eu
銪
151.964
64
Gd
釓
157.25
65
Tb
鋱
158.92535
66
Dy
鏑
162.5
67
Ho
鈥
164.93032
68
Er
鉺
167.259
69
Tm
銩
168.93421
70
Yb
鐿
173.054
71
Lu
鎦
174.9668
** 錒系元素
89
Ac
錒
[227]
90
Th
釷
232.03806
91
Pa
鏷
231.03588
92
U
鈾
238.02891
93
Np
錼
[237]
94
Pu
鈽
[244]
95
Am
鋂
[243]
96
Cm
鋦
[247]
97
Bk
鉳
[247]
98
Cf
鉲
[251]
99
Es
鑀
[252]
100
Fm
鐨
[257]
101
Md
鍆
[258]
102
No
鍩
[259]
103
Lr
鐒
[262]
鹼金屬
鹼土金屬
過渡金屬
弱金屬
非金屬
類金屬
鹵素
惰性氣體
鑭系元素
錒系元素
1IA
2IIA
3IIIB
4IVB
5VB
6VIB
7VIIB
8VIIIB
9VIIIB
10VIIIB
11IB
12IIB
13IIIA
14IVA
15VA
16VIA
17VIIA
18VIIIA
1
2
3
4
5
6
7
1
H
氫
1.00794
2
He
氦
4.002602
3
Li
鋰
6.941
4
Be
鈹
9.012182
5
B
硼
10.811
6
C
碳
12.0107
7
N
氮
14.0067
8
O
氧
15.9994
9
F
氟
18.9984032
10
Ne
氖
20.1797
11
Na
鈉
22.98976928
12
Mg
鎂
24.305
13
Al
鋁
26.9815386
14
Si
矽
28.0855
15
P
磷
30.973762
16
S
硫
32.065
17
Cl
氯
35.453
18
Ar
氬
39.948
19
K
鉀
39.0983
20
Ca
鈣
40.078
21
Sc
鈧
44.955912
22
Ti
鈦
47.867
23
V
釩
50.9415
24
Cr
鉻
51.9961
25
Mn
錳
54.938045
26
Fe
鐵
55.845
27
Co
鈷
58.933195
28
Ni
鎳
58.6934
29
Cu
銅
63.546
30
Zn
鋅
65.38
31
Ga
鎵
69.723
32
Ge
鍺
72.63
33
As
砷
74.9216
34
Se
硒
78.96
35
Br
溴
79.904
36
Kr
氪
83.798
37
Rb
銣
85.4678
38
Sr
鍶
87.62
39
Y
釔
88.90585
40
Zr
鋯
91.224
41
Nb
鈮
92.90638
42
Mo
鉬
95.96
43
Tc
鎝
[98]
44
Ru
釕
101.07
45
Rh
銠
102.9055
46
Pd
鈀
106.42
47
Ag
銀
107.8682
48
Cd
鎘
112.411
49
In
銦
114.818
50
Sn
錫
118.71
51
Sb
銻
121.76
52
Te
碲
127.6
53
I
碘
126.90447
54
Xe
氙
131.293
55
Cs
銫
132.9054519
56
Ba
鋇
137.327
57
La
鑭
138.90547
58
Ce
鈰
140.116
59
Pr
鐠
140.90765
60
Nd
釹
144.242
61
Pm
鉕
[145]
62
Sm
釤
150.36
63
Eu
銪
151.964
64
Gd
釓
157.25
65
Tb
鋱
158.92535
66
Dy
鏑
162.5
67
Ho
鈥
164.93032
68
Er
鉺
167.259
69
Tm
銩
168.93421
70
Yb
鐿
173.054
71
Lu
鎦
174.9668
72
Hf
鉿
178.49
73
Ta
鉭
180.94788
74
W
鎢
183.84
75
Re
錸
186.207
76
Os
鋨
190.23
77
Ir
銥
192.217
78
Pt
鉑
195.084
79
Au
金
196.966569
80
Hg
汞
200.59
81
Tl
鉈
204.3833
82
Pb
鉛
207.2
83
Bi
鉍
208.9804
84
Po
釙
[210]
85
At
砈
[210]
86
Rn
氡
[222]
87
Fr
钫
[223]
88
Ra
鐳
[226]
89
Ac
錒
[227]
90
Th
釷
232.03806
91
Pa
鏷
231.03588
92
U
鈾
238.02891
93
Np
錼
[237]
94
Pu
鈽
[244]
95
Am
鋂
[243]
96
Cm
鋦
[247]
97
Bk
鉳
[247]
98
Cf
鉲
[251]
99
Es
鑀
[252]
100
Fm
鐨
[257]
101
Md
鍆
[258]
102
No
鍩
[259]
103
Lr
鐒
[262]
104
Rf
鑪
[267]
105
Db
𨧀
[268]
106
Sg
𨭎
[269]
107
Bh
𨨏
[270]
108
Hs
𨭆
[269]
109
Mt
䥑
[278]
110
Ds
鐽
[281]
111
Rg
錀
[281]
112
Cn
鎶
[285]
113
Nh
鿭
[286]
114
Fl
鉨
[289]
115
Mc
鏌
[288]
116
Lv
鉝
[293]
117
Ts
鿬
[294]
118
Og
鿫
[294]
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