Inert has 2 syllables and the stress is on the second syllable.
# | Sentence | |
---|---|---|
1. | I sprang to my feet, my inert hand grasping my pistol, my mind paralyzed by the dreadful shape which had sprung out upon us from the shadows of the fog. | |
2. | It doesn't make any difference, guys. The balls are inert. | |
3. | Nitrous oxide is inert at room temperature. |