what is the symbol for a capacitor? and for an inductor?
There are literally thousands of varieties of electronic components available to electrical engineers. These components are the fruit of many years hard work by physicists and technicians, which have benefitted mankind very greatly.
This site lists a number of these components although the list is hardly comprehensive.
http://www.kpsec.freeuk.com/symbol.htm
Rocmike you do know how to google and copy and paste. I will give you that.