Question

when small, medium, large sized letters are used in a chemical formula?​

Answer 1

Answer:

when we want to do any chemical we will use example caco3

Answer 2

when an elements name is mentioned shortly for example let's take magnesium which is shortly written as Mg. here the starting letter of the element should always be capital where is the rest of the letters should be small

another example for this chlorine. chlorine is written shortly as Cl.