Answer:
Common combustion reactions break the bonds of hydrocarbon molecules,
Explanation:
the resulting water and carbon dioxide bonds always release more energy than was used to break the original hydrocarbon bonds. That's why burning materials mainly made up of hydrocarbons produces energy and is exothermic.
I think the word might be a “troll”
Explanation:
A metal atom loses electrons and becomes a positive ion.
Answer:
the number of protons is called the atomic number
hope it helps you buddy