How is the chemical symbol of an element determined-?

Answer 1

Usually the first and second letter of element can determine it's chemical symbol.

Answer 2

The chemical symbol of an element is typically derived from its name. It is often the first one or two letters of the element's name. If the element's name has more than two letters, the first letter is capitalized and any subsequent letters are written in lowercase.

Answer 3

The chemical reactivity of an element is determined mainly by two things: Its electron affinity, and its ionization energy.