The subscript in symbol equations within chemistry represents how many atoms there of that element within the compound or molecule. So your equation is magnesium bromide(2) essentially meaning it is a compound consisting of 1 magnesium atoms and 2 bromine atoms attached to it (bound with).
The answer is gentle yoga
Answer:
Explanation:
We are given that
Charge on 1 electron, 1 e=
Avogadro's number, 
Hence, the work done=
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