H20
There is no known chemical compound with the formula NAC1O. It seems like there might be a typographical error in the formula you provided.
fluoride
MgP does not exist. Magnesium phosphide is the chemical name of Mg3P2 and might be in use as rodenticides or pyrotechnics, but not sure of that, though Ca3P2 is.
A chemical analysis is necessary.
A compound contain two or more elements associated by chemical bonds.
A chemical formula shows the components of a chemical compound by indicating the types and numbers of atoms present in the compound. The formula provides a way to represent the elements and their respective ratios within the compound.
A chemical reaction is the transformation of a compound in another compound.
This compound doesn't exist.
Chemical formula is CaO
Neon (Ne) is a chemical element, not a compound.
Helium (He) is a chemical element, not a compound; the chemical symbol is He.
Magnesium is a chemical element, not a compound.