Answer:
percentage by mass of each element in a compound.
Explanation:
Ca +2
At -1
In +3
Sr +2
Ra +2
Fr +1
Ba +2
As -3
Answer:
A more dense plate going underneath a less dense plate.
<span>There are only three stereoisomers of 1,2-dimethylcyclopentane. As there are only two chiral carbons, so the maximum number of stereoisomers is 4, but two are the same meso-compound which means that there are only 3.</span>