118 Elements and Their Symbols and Atomic Numbers: The periodic table is a well-organized chart that contains all the known elements in the universe.These elements are building blocks of matter ...

you have 10 minutes to name as many elements as you can, given only their symbol, atomic weight and the broad group they live ...

Some elements have two letters in their symbol, because there are more than 100 elements, but there are only 26 letters in the alphabet, so we have to double some of them up. Katie: OK ...