I think it’s A but I’m not sure, if it’s wrong I’m sorry
The answer:
for the monoatomic <span>selenium ions
</span> -the ion charge of selenium is 2-, so the answer is [Se]2+
as for the monoatomic phosphorus ions
-the ion charge of phosphorus is 3-, so the answer is [P]3-
Answer:
Here
Explanation:
This is an acid-base reaction (neutralization): CaCO3 is a base, HCl is an acid.
Long term because if you leave something out to be weathered then it can’t be unweathered because of the drastic change of the object.
