Elements by 2 Most Abundance Isotopes

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Quiz by PSTSCCH
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Last updated: May 9, 2014
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First submittedMay 9, 2014
Times taken172
Average score45.0%
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Most Abundance
2nd Most Abundance
Element
X-16
X-18
Oxygen
X-132
X-129
Xenon
X-56
X-54
Iron
X-39
X-41
Potassium
X-4
X-3
Helium
X-24
X-26
Magnesium
X-12
X-13
Carbon
X-202
X-200
Mercury
X-40
X-44
Calcium
X-64
X-66
Zinc
Most Abundance
2nd Most Abundance
Element
X-40
X-36
Argon
X-63
X-65
Copper
X-208
X-206
Lead
X-28
X-29
Silicon
X-32
X-34
Sulphur
X-14
X-15
Nitrogen
X-238
X-235
Uranium
X-107
X-109
Silver
X-35
X-37
Chlorine
X-138
X-137
Barium
+1
Level 53
May 16, 2015
This quiz is great! I managed to figure them all out except for mercury and lead.