Final answer:
In a neutral FA molecule, the sum of all charges within the atom must add up to zero. This is because the number of protons is equal to the number of electrons, resulting in no net charge according to the law of conservation of charge.
The choices given are a +1, b -1, c 0, and d -2; the correct answer is c, zero.
Step-by-step explanation:
If a FA molecule has a neutral charge, it implies that the sum of all charges within the atom equals zero. In chemistry, this means that the number of protons (positive charges) balances out the number of electrons (negative charges), resulting in no overall charge.. This is in line with the law of conservation of charge, which states that the total charge in an isolated system remains constant. Additionally, an example provided is the Lewis structure calculation, where the sum of formal charges in a neutral molecule equals zero.