Symbols Of Selected Ions & The Periodic Table Of Elements Page 2
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1
2THE PERIODIC TABLE OF ELEMENTS
Group
0
1
4
1
2
3
4
5
6
7
1
2
7
9
11
12
14
16
19
20
3
4
5
6
7
8
9
10
23
24
27
28
31
32
35.5
40
13
15
16
17
11
12
14
18
40
45
48
51
52
55
56
59
59
64
65
70
73
75
79
80
84
39
22
23
24
27
28
30
33
36
20
21
25
26
29
31
32
34
35
19
89
91
93
96
99
101
103
106
108
112
115
119
122
128
127
131
85
88
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
37
38
178
181
184
186
190
192
195
197
201
204
207
209
210
210
222
133
137
139
*
84
55
56
57
72
73
74
75
76
77
78
79
80
81
82
83
85
86
223
226
227
261
262
263
262
265
266
269
272
285
†
87
88
89
104
105
106
107
108
109
110
111
112
140
141
144
147
150
152
157
159
162
165
167
169
173
175
* 58 – 71 Lanthanum series
† 90 – 103 Actinium series
58
59
60
61
62
63
64
65
66
67
68
69
70
71
256
254
a = relative atomic mass (approx)
232
231
238
237
242
243
247
245
251
254
253
257
a
x
x = atomic symbol
b
b = atomic number
101
102
90
91
92
93
94
95
96
97
98
99
100
103
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