Question

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

Answer 1

Answer:

both letter should not be in capital for an element

Explanation:

Co represents Cobalt but CO have 2 elements C(carbon) and O(oxygen) so CO represents Carbon monoxide

Answer 2

Each element is denoted by a symbol, which is usually the first letter of its name in English or Latin, written in capital . When the first letter of more than one element is same , the elements are denoted by two letters . The first letter is written in capital and second one is written in small.

Carbon , cobalt , copper , calcium , cadmium are elements whose first letter is denoted by the symbol 'C' . Cobalt is denoted by the two letters'co' . Therefore copper is denoted the two letters 'Cu' taken from Latin name Cuprum