Answer:
B.) Oxygen is usually -2
Explanation:
Hydrogen is usually +1.
A pure group 1 element is not always +1.
A monoatomic ion can be a range of numbers. However, it must be a charge other than 0.
Strong Acid cause it has a very low pH
Answer:
c
Explanation:
when the river is affected by the acid rain many species go into extinction
The answer is 16.75 it rounds to 17 Hope this helps! ;D
