6.941u? Sorry if I get it wrong
Is there an actual question?
Answer:
The number of protons in an atom is called its atomic number. This number is very important because it is unique for atoms of a given element. All atoms of an element have the same number of protons, and every element has a different number of protons in its atoms.
Explanation:
Hope this helped!
The subscripts that would properly complete the formula unit would be 1 for both. This compound is called aluminum nitride. It is a ceramic type of material that which has outstanding properties. Hope this answers the question. Have a blessed day.