Here's a tip. If you're writing anything except a recipe and it looks like it has flour in it, you've spelled it wrong. This is true whether you're talking about "flourescent" lights or "flouridation" of water.
The formula for nitrogen trifluoride is NF3.
NF3
You have answered the question for yourself. The formula is NF3 The name of the substance is nitrogen trifluoride.
Al N is the correct formula when aluminum and nitrogen are combined together.
NO3
N2o4
NF3
You have answered the question for yourself. The formula is NF3 The name of the substance is nitrogen trifluoride.
BrF3
The formula for bromine triflouride is BF3.
If you want to ask questions about "which of these", then I suggest that you make sure that there is something that is following.
Al N is the correct formula when aluminum and nitrogen are combined together.
NF3 is the correct formula for nitrogen trifluoride.
N2o4
NO3
NF3
Nitrogen(IV) oxide is N2O4.
Nitrogen(IV) oxide is N2O4.
Formula: NH3 but the correct name is Ammonia