Strictly speaking, the One Ring does not make the wearer invisible. ... When others wear it, they become 'invisible' to those around them, because they have become visible to Sauron, in a way. If he is looking in that direction, then he would see them. Hence why Gollum got away with it for so long, and Bilbo and Frodo. hope
it helps.
The answer is A. The word structure is very unorganized and makes the sentence hard to interpret.
Explanation:
an atom is neutral where is an ion is either negatively or positively charged
an an atom cannot react with another atom to form a compound but an ion can react with an ion to form a compound
hope that helps