92
There are variety of such elements. They have not been found on earth's surface.
There are currently 118 elements, ranging from #1 Hydrogen to #118 Ununoctium. Many of the transuranium elements (#93-#118) are synthetic, meaning that the only place they have been found is in a laboratory, thus do not exist in nature. Technetium (#43) and Promethium (#61) are also synthetic.
Over 118 elements have been discovered and confirmed on the periodic table.
There are about 118 different elements that are currently included in the Periodic Table. There have also been elements that have been found in nuclear and laboratories accelerators.
98 elements are known to occur naturally on earth. They are probably all found, at least in some minute fraction, in the seas of the world.
Total 108 elements are found in earth till 2007 dec 56 to 72 elements are in the human body, 22 to 36 are in the animal body 18 22 elements in birds are found
As of June 2017, a total of 118 elements are known.
how may elements occur naturally in nature
All the elements between Hydrogen and Uranium, inclusive, except elements 43 and 61: Tc (Technetium) and Pm (Promethium) and even these tow have now been found in nature, Silver and gold can be found in their elemental state as can Nitrogen, Oxygen, the inert gases etc.
98 elements are known to occur naturally on earth. They are probably all found, at least in some minute fraction, in the seas of the world.
There are 2 elements found in ammonium, nitrogen and hydrogen.
118 total - 92 natural elements= 26 elements that do not naturally occur===========================