caitlynarowlett9173 caitlynarowlett9173

04-02-2018
Chemistry

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There are _________ unique substances (elements) arranged on an amazing chart that reveals their hidden secrets to anyone who knows how to read it.

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Dejanras Dejanras

13-02-2018

There are 118 unique substances (elements) arranged on an amazing chart that reveals their hidden secrets to anyone who knows how to read it.
The first chemical element is hydrogen (atomic number is 1) and the last is oganesson (atomic number is 118).
Elements are scheduled in periodic table, ordered by their atomic number.

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