3: Compound
A
+
Compound
B
→
Compound
C
+
Compound
D
What’s type of reaction is this?

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

i believe the answer is three water molecules

gasoline is a mixture. it contains several different kinds of compounds that can be present in a variety of ratios.