Answer
The number 8 behind S indicates that there are 8 individual atoms of Sulfur. $S_{8}$ implies that it is a Sulfur molecule with 8 Sulfur atoms bonded together.
Work Step by Step
The number 8 behind S indicates that there are 8 individual atoms of Sulfur. $S_{8}$ implies that it is a Sulfur molecule with 8 Sulfur atoms bonded together.