Answer:
This is hard for me also but I am trying to find out answer
Explanation:
Please mark me as brainlist.
Answer:
PHOSPHITE ION is the correct answer.
Explanation:
Hope this helped Mark BRAINLIEST!!!
There are 2 significant figures.
"Rule 3: Trailing zeros are significant if a decimal point is shown in the number, but may or may not be significant if no decimal point is shown."
Oxidation numbers is the right answer