1 ba+2 br——>1 babr2
u just have to make sure u have the same number of each type of atom on either side of the equation:)
A) B). That’s it I hope it’s help.
I believe it the answer is 3412
1789 -- raité élémentaire de chimie is a textbook written by Antoine Lavoisier published in 1789 and translated into English by Robert Kerr in 1790 under the title Elements of Chemistry