__MgF2 + __Li2CO3 + __ 2LiF
Those elements with similar properties are in the same column.
Using an example like Christmas lights, I would say yes because normally a lot of them would go out if one light is broken.
Answer:
u already know the answer
Explanation:answer
It would be a positive charge because it lost two electrons, if the charge was neutral it would be the same amount of protons and electrons, if the charge was negative the electrons would be 20 instead of 18. So in this case it is positive.