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jan 24, 1858 - Atomic Mass Accuracy Fixed

Description:

In 1858, Italian chemist Stanislao Cannizzaro was the first to accurately represented the atomic mass on the Periodic Table. Which was helpful at the time as measurements were not always accurate.

Added to timeline:

History of the Periodic Table - 10

ByTyler
15 Oct 2018
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Date:

jan 24, 1858
Now
~ 167 years ago
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