Mg which stands for Magnesium is the element to begin with, not a compound.
The chemical name of the compound is often based on the names of the elements that are part of it. However, for many simple organic compounds it is not possible to determine the component elements.
The chemical formula is established after chemical analysis.
There are more compounds than elements
Different compounds have different numbers of constituent elements. here is no set number.
The molar mass of NH42O is 72.33958 g/mol
Ammonium oxide
2 elements
3
how many atoms are in this compound
7
Mg which stands for Magnesium is the element to begin with, not a compound.
There are two elements in the compound Fe2O3. These are: iron and oxygen
an element is a single substance while a compound is made up of multiple elements. Theirs no way to now how many elements form to make a compound... only through a microscope/
Two: lead and iodine.
A chemical formula shows what elements a compound contains, and the ratio of the atoms or ions of the elements in the compound.
A compound is composed of two or more elements. A compound of only two elements is a binary compound.