определите виды связи, чем образованы?     SO2,  O2,  NH3,  CaCl2,  N2,  Al2O3,  CuS  

Помогите пожалуйстаааа!))

1. If they (play) better, they (win) the game.
2. If she (read) more carefully, she (find) the right place.
3. You (amaze) if you (see) their house.
4. We (believe) her if she (tell) me that story.
5. If I (be) ill, I (go) on the school trip.