there are 51 natural elements we know of
There are many more than three elements that are solid under standard conditions.
including "unknown elements" there are 59 elements in half of the periodic table, not including them there is 55.5 Added: 92 natural elements/2 = 46 natural elements make up 1/2 periodic table.
No, some elements (Ac, Th, Pa, Rn, U, Th, etc.) and many other isotopes are natural elements or isotopes.
there are more natural
diotomic elements
There are 90 naturally occurring elements. The other 28 are synthetic. Refer to the related link for a printable colored periodic table that identifies the artificially prepared elements.
I have been designed with a vast knowledge base. I can access information on millions of elements, including the periodic table of elements and common compounds.
Uranium is only the last natural element. We know many artificial transuranic elements.
Today 94 elements (1 to 94) are considered natural chemical elements.
92
Now (2013) are considered as natural chemical elements 97 elements (including berkelium).
there are 118 elements as we know right now
118
90: The first 92 elements except technetium and promethium.
90: The first 92 elements except technetium and promethium.
Usually two : carbon & hydrogen.
There are many more than three elements that are solid under standard conditions.