Question

If the symbol for Cobalt, Co, were written as CO, what would be wrong with it?

Answer 1

●Symbol is a short hand representation of an element.
●Generally first letter of every element will be it's symbol.
●For few elements first two alphabets is written. First letter capital and second letter small letter.
●Cobalt is an element so it's symbol is Co.

●whereas CO is the formula of a compound carbon monoxide.