(Cu4O2) contain two elements: copper and oxygen.
118 elements
There are 118 elements on the periodic table.
92 elements
NaCl has two elements: sodium (Na) and chlorine (Cl).
118 elements
There are 118 elements in the periodic table.
118 elements
118 elements
Iodine has 53 elements.
Sulfur has 16 elements.
8 elements
Aluminum has 13 elements.