An anion is an ion with a negative charge. The minus sign, when attached to the end of an ionic compound, indicates that this has a negative charge, while a plus sign indicates a positive charge.
O2- is the only compound listed that satisfied this. It is the anion.
Answer is 02-
I know that light is the fastest.
Answer:
Explanation:
The actual boiling point is probably between 34C and 40C.
I'd say that the answer is erosion