Final answer:
The chemical formula for Nitrogen trifluoride is NF3. This is deduced using the prefix 'tri-' which indicates the presence of three fluorine atoms bonded to a single nitrogen atom.
Step-by-step explanation:
The chemical formula for Nitrogen trifluoride can be derived from its name. The prefix 'tri-' indicates that there are three fluorine atoms. The symbol for nitrogen is 'N' and for fluorine, it's 'F'. Therefore, the chemical formula for Nitrogen trifluoride is NF3.
From other compound names provided as examples:
This system allows for the determination of a molecular formula from a compound's name by using the element symbols and numerical subscripts in the order of the name. The prefixes such as 'di-', 'tri-', 'tetra-', etc., specify the number of atoms present in the compound.