Explanation:
b. Bromo cyclopentane + HBr
Answer:
You determine the number of protons by its atomic number, just like electrons.
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Look at the periodic table to find the charge on atoms.
Magnesium is +2 and Nitrogen is -3. Since there are two nitrogen charge 2*-3 = -6 there needs to be 3 Mg then (3*2+ = 6+) to pair with the two nitrogen.
3 Mg(+2) + 2 N(-3) = Mg3N2
The best and most correct answer among the choices provided by your question is all of the above.
All of the choices given are the best ways to explain a nuclear reaction.
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