The type of atoms present in the chemical compound and the proportion or how many specific atoms are respect to other atoms in the chemical compound.
2 possibly 3 depends on if that of what looks like a zero is an O which it isn't so 2 but if it is 3.
Answer:
1
Explanation:
in my opinion,The answer would be organism
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Ba(OH)2 can be neutralized by adding an acid to the solution. We can add HCl to produce:
Ba(OH)2 + 2HCl ===> BaCl2 + 2H2O ; producing a salt BaCl2 and water.
or we can add H2SO4 to produce:
Ba(OH)2 + H2SO4 ===> BaSO4 + 2H2O; producing a salt, BaSO4, and water. <span />
