56.D and 57.B there it's the answer
Answer:
D (But as a heads up, you wrote barium instead of Bromine)
Explanation:
The Potassium atom will lose an electron since its valence shell only has one, while Bromine has 7 electrons in its valence shell. Potassium wants to get rid of its one electron, Bromine wants to gain that one electron to get a full shell.
Potassium will become a CATION with a positive charge (since it lost an electron), Bromine will become an ANION with a negative charge (since it gained an electron)
Answer: B. 2SO3 + 2SO2 → O2
Hope this helps..... Stay safe and have a Merry Christmas!!!!!! :D
Answer:
A meso compound is a non-optically active member of a set of stereoisomers, at least two of which are optically active.
