I think it is halico acid
Answer:
8.324 Hope this helps! =)
~The picture below shall help :)
-Hope this helped ^_^
Answer:
The answer is 1 and 4.
Explanation:
Mass is most concentrated in the nucelus of an atom. Therefore, if you are looking to find the area with the least mass, go outside of the nucelus. Points one and four are the furthest outside of the nucleus.