The substances sodium (Na), oxygen (O2), and sodium oxide (Na2O) participate in this chemical reaction:
4Na + O2 → 2Na2O.
Which statement best describes the reaction?
A.
Elements rearrange, but no compounds are created or destroyed.
B.
Sodium oxide is created by the chemical reaction.
C.
Atoms from sodium oxide rearrange to form sodium and oxygen.
D.
In a mixture of the three substances, sodium oxide separates from the sodium and oxygen.
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