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Elements by Atomic Number #2

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Seeing as it was the wrong shape for a thumbnail, I had to crop the atomic mass.
Quiz by QuadVortex
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Last updated: August 5, 2020
First submittedAugust 5, 2020
Times taken9
Average score66.7%
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Atomic Number
Element
17
Chlorine
54
Xenon
67
Holmium
68
Erbium
69
Thulium
70
Ytterbium
78
Platinum
81
Thallium
Atomic Number
Element
86
Radon
92
Uranium
95
Americium
96
Curium
97
Berkelium
98
Californium
99
Einsteinium
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