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Home Science Howmanyarethere 28 March 2011 4536 Views. There are 118 known chemical elements as of 2011.First element on the periodic table is Hydrogen the latest one is Ununoctium. The table contains 118 chemical elements whose discoveries have been confirmed. The first 94 are found naturally on Earth, and the rest are synthetic elements that have been produced artificially in particle accelerators.
One proton is hydrogen; two protons, helium; three protons, lithium; four protons, beryllium; all the way up to element 118, with 118 protons. The number of protons is called the atomic number and it's the fundamental organizing principle of every table of the elements, including this one. Wow.