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).
This question is a little ambiguous. If you mean 'how many elements have mass,' the answer is 'all elements have mass.' There are 117 known elements, and scientists theorize that there may be as many as 130 or more.
118 elements
8 elements
118 elements
There are 118 elements in the periodic table.
118 elements
Aluminum has 13 elements.
Iodine has 53 elements.