Answer:
A. 2 bonds
Explanation:
If you see a charch of ci20 it would easily show the answer.
D 4 grams
i need to write a couple more character for explanation so there
Answer: -40
Explanation: Percent error is calculated by subtracting the value you actually recieved from the literature value (175 in your case) SO your answer should be 135-175=-40.
