__MgF2 + __Li2CO3 + __ 2LiF
Answer:
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Explanation:
sorry i just need point lolllllllllll
Group 7a would have an ion charge of -1 because it has 7 valence electrons and it wants to gain one more electron(which is negative) to have a full shell of 8
True
The main chemicals in air pollution that create acid rain are sulfur dioxide (SO2) and nitrogen (NOx).
A chemical or physical change
