Answer:
Graph A.
Explanation:
Graph
It represents a constant function
A . O2- because it is a negatively charged ion
I believe the pH is 7. If you would like me to explain comment.
Because that solid is frozen liquid, so when it gets heated up, it will melt. Like Ice.
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Lithium is atomic number 3, so it has valency 1
While, Bromine is atomic number 35, and has valency 1
Lithium has an extra electron while Bromine need an electron, since they both need and have one electron, the form
LiBr (Lithium Bromide) where Li is +ve charged and Br is -ve charged
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