Acapital letter or a combination of a capital letter and a small letter that is used to represent an element is called

A capital letter or a combination of a capital letter and a small letter that is used to represent an element is called Chemical symbol.

All chemical elements have their chemical symbols consisting of one or two Latin letters. A chemical symbol is a chemical element mark. For the symbol of a chemical element it takes the first letter of its name in Latin, and if several elements have a name that begins with the same letter, in most of the symbols there is another characteristic letter from the name. The symbols are written in a large Latin letter, and if there is another letter, it is written a small.

Which of the following did you identify correctly