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The Chemical Calendar Pointing the Change of Year (from 2018 to 2019)
A funny chemical calendar based on the number of protons (atomic numbers)
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▼▼▼▼▼▼▼▼▼▼▼▼
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The Chemical Calendar Pointing the Change of Year (from 2018 to 2019)
A funny chemical calendar based on the number of protons (atomic numbers)
|
|
|
|
|