The rules for writing symbols are :
(i) The symbol of each element is written by using a single letter or two letters of the English alphabet .
(ii) Generally , the symbol of the element is the first letter of the name of the element . It is always a capital letter ,Example ,
(iii) In some cases , two elements have their names beginning with the same letter . In such cases , the second letter from its name is added to the symbol . Example ,
(iv) If two elements have the same first two letters , then the first letter and the first consonant is taken as the symbol . Example
(v) In some elements , the second letter is chosen as per the pronuciation . Example
(vi) In some elements , the symbols are based on their Latin , German or Greek names . Example ,
