The formation of which product(s) will most likely be observed in a combustion reaction?
a. an oxide
b. one element and one compound
c. an element
d. two ionic compounds

The answer is "an oxide" A

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.

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