Answer:
No. They typically are not identical.
Explanation:
Atom's electrons can be in different states
Answer:saturated
Explanation: they can be mixed together
Answer:
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Answer:
If it takes more energy to break the original bonds than is released when the new bonds are formed, then the net energy of the reaction is negative. This means that energy must be pumped into the system to keep the reaction going. Such reactions are known as endothermic.
Explanation: