robert7248
30.09.2021 •
Chemistry
Find the element "oxygen." a, What does the "8" on top of the chemical symbol signify?
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Ответ:
Its official chemical symbol is O, and its atomic number is 8, which means that an oxygen atom has eight protons in its nucleus
Explanation: I hope this helps
Ответ:
it signify O, which is oxgen.
Ответ:
2. A mineral is a chemical composition
3. Idk srry