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Mathematics, 10.11.2020 20:40, gabby640
The number of known elements changed very rapidly over a 150-year period.
There were 62 known elements in the mid-1800s. How many known elements
(total) are there today?
A.98 b.111 C.118 D.125
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Answers: 2
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The number of known elements changed very rapidly over a 150-year period.
There were 62 known eleme...
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