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Chemistry, 24.09.2019 01:00 ssteitzsophiee223
When mendeleyev published his periodic table, there were some spaces for undiscovered elements. figure 15-1 is a section of a similar table. a reasonable value for the atomic mass of the missing element
a. 101
b.72.3
c.68.2
d.34.8
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When mendeleyev published his periodic table, there were some spaces for undiscovered elements. figu...
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