(above) nitrogen trifluoride (NF3) image #1. This image is 500 x 500 pixels; the original image is 4096 x 4096 pixels.
nitrogen trifluoride NF3: consists of one nitrogen atom (shown in blue) linked to three fluorine atoms (shown in purple) arranged in a pyramid. It is used industrially for etching during the manufacture of screens. Nitrogen trifluoride is an extremely potent greenhouse gas.