As chlorine has seven electrons in its outer most shell so to complete its octet it has to gain an electron and when it gain an electron it will become an anion that is negatively charged so in my opinion and what a conclude is that the option B is correct for the above statement enjoy!
Chlorine has seven electrons in its outermost shell, to attain the octet structure, it usually accept electrons from metals. In so doing, it attains an oxidation number of -1 and become an anion. An anion refers to a charged particle that carries a negative charge while a cation refers to a charged particle that carries a positive charge. Chlorine anion has a charge of - 1 because chlorine accept one electron from another element.
The car is accelerating, because if it were at rest you wouldn't see the line, and if the car was going at constant speed (forwards or backwards) then the line would be straight.
