How many capital letters are in there? 3.
Each element is distinguished by its capital letter.
Na - Sodium
C - Carbon
O - Oxygen
Therefore there are three different elements.
The chemical formula provided, NA2CO2, is not valid. The correct formula for sodium bicarbonate is NaHCO3. This compound consists of two sodium atoms, one hydrogen atom, one carbon atom, and three oxygen atoms.
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
The chemical formula provided, NA2CO2, is not valid. The correct formula for sodium bicarbonate is NaHCO3. This compound consists of two sodium atoms, one hydrogen atom, one carbon atom, and three oxygen atoms.
Na2CO3 is an ionic compound. However, note that it contains covalently bonded carbonate ions, which are not compounds because they are not electrically neutral.
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.