Each guess must be a valid element on the periodic table. Click on an element to reveal its symbol.
After each guess, the color of the element will change to show how close your guess was to the target element. Redder is warmer, bluer is colder!
?
1
1.007
ELEME
E
N
?
??.???
Tl
?
???.???
?
2
4.002
?
3
6.941
?
4
9.012
Target Element:
?
5
10.811
?
6
12.011
?
7
14.007
?
8
15.999
?
9
18.998
?
10
20.18
?
11
22.99
?
12
24.305
Guesses:
?
13
26.982
?
14
28.086
?
15
30.974
?
16
32.065
?
17
35.453
?
18
39.948
?
19
39.098
?
20
40.078
?
21
44.956
?
22
47.867
?
23
50.942
?
24
51.996
?
25
54.938
?
26
55.845
?
27
58.933
?
28
58.693
?
29
63.546
?
30
65.38
?
31
69.723
?
32
72.64
?
33
74.922
?
34
78.96
?
35
79.904
?
36
83.798
?
37
85.468
?
38
87.62
?
39
88.906
?
40
91.224
?
41
92.906
?
42
95.96
?
43
98
?
44
101.07
?
45
102.906
?
46
106.42
?
47
107.868
?
48
112.411
?
49
114.818
?
50
118.71
?
51
121.76
?
52
127.6
?
53
126.904
?
54
131.293
?
55
132.905
?
56
137.327
?
57
138.905
?
72
178.49
?
73
180.948
?
74
183.84
?
75
186.207
?
76
190.23
?
77
192.217
?
78
195.084
?
79
196.967
?
80
200.59
?
81
204.383
?
82
207.2
?
83
208.98
?
84
210
?
85
210
?
86
222
?
87
223
?
88
226
?
89
227
?
104
261
?
105
262
?
106
266
?
107
264
?
108
267
?
109
268
?
110
271
?
111
272
?
112
285
?
113
284
?
114
289
?
115
288
?
116
292
?
117
295
?
118
294