Propose a synthesis of phenylacetaldehyde from bromobenzene

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.

Ithink 2 is the correct

Deposition is the transition of matter going from gas to solid without passing through the liquid phase.a.) gas—-> solid