Answer:
A new substance was forming
Explanation:
I'm on the exact same queston
i just had gthe sme question looked it up and got it WRONG
sorry i ont have a clue
i can only help with 2 :( atimic mass is: 35.453 and number of electrons is:17
Long term condition of the atmosphere
I think this is right.
I hope this helps! (✿◕‿◕✿)