9
F
17
Cl
35
Br
53
I
85
At
117
Ts
2
He
10
Ne
18
Ar
36
Kr
54
Xe
86
Rn
118
Press Yes to delete all elements from the periodic table that you have correctly answered
1
3
11
19
37
55
87
4
12
20
38
56
88
22
40
72
104
23
41
73
105
24
42
74
106
25
43
75
107
26
44
76
108
27
45
77
109
28
46
78
110
29
47
79
111
30
48
80
112
5
13
31
49
81
113
6
14
32
50
82
114
7
15
33
51
83
115
8
16
34
52
84
116
9
17
35
53
85
117
2
10
18
36
54
86
118
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103