What is the difference between 2N and N2...

What is the difference between 2N and `N_2`?

Verified by Experts

2N Means two nitrogen atoms.
`N_2`means one nitrogen molecule.

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The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of NH_(3) (1.5 D) is larger than that of NF_(3) (0.2D) This is because

In `NH_(3)` the atomic dipole and bond dipole are in the opposite directions whereas in `NF_(3)` these are in the same direction

In `NH_(3)` as well as in `NF_(3)` the atomic dipole and bond dipole are in the same direction

In `NH_(3)` the atomic dipole and bond dipole are in the same direction whereas in `NF_(3)` these are in opposite directions

In `NH_(3)` are well as in `NF_(3)` the atomic dipole and bond dipole are in opposite directions

1.9 eV

2.3 eV

3.4 eV

6.8 eV