Two.
(Two carbons, one oxygen so just two elements.)
103
There are two elements, carbon and hydrogen.
The current periodic table contains 118 elements, as of April 2010, but many more may still be discovered.
117 elements
there are 51 natural elements we know of
118 elements
There are 118 elements on the periodic table.
92 elements
NaCl has two elements: sodium (Na) and chlorine (Cl).
118 elements
8 elements
118 elements
There are 118 elements in the periodic table.
118 elements
Aluminum has 13 elements.
Iodine has 53 elements.
Sulfur has 16 elements.