Which is true?
A. Elements are always metals.
B. Elements are always solids.
C. Elements can be broken down into other substances.
D. Each element will react in its own way with other elements.
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Ответ:
I think it's D
Explanation: None of the other options are true.
Ответ:
.0068
Explanation:
You divided the number of molecules by 6.022*10^23 (Avagodros Number) to get the number of moles.