Na4C...the 4 represents Sodium's subscript, which is 4.
Sodium Carbonide
There is no such thing as NaCI. However, NaCl (with a lowercase L) is the ionic compound sodium chloride.
The sodium sulphate (Na2SO4) is an inorganic chemical compound.
Inorganic since it does not contain carbon
it is inorganic
inorganic
it is inorganic
HCl is inorganic
inorganic alloy
Ethanol is organic, not inorganic.
Concrete is an inorganic mixture, of inorganic compounds.