Answer:
They expressed it as rate of change in concentration of reactants or products in a chemical reaction
Barium has a 2+ charge as it is in group 2 in the periodic table and so it has two electrons in its outer shell and chloride has a -1 charge on its chloride ion. So we will need two of the chloride ions as we have a 2+ charge to match the amount of charge on one barium ion- forming barium ion
BaCI2
Answer:5
Explanation:(H3) is 3 (H3)2 is 5
Answer: The answer is A. A conductor that allows electricity to flow easily
