Question

part b
enter the formula for tetraphosphorus heptasulfide
express your answer as a chemical formula.

Explanation:

Step1: Analyze prefixes

The prefix "tetra-" means 4, so there are 4 phosphorus atoms. The prefix "hepta-" means 7, so there are 7 sulfur atoms.

Step2: Write the formula

Phosphorus is represented by P and sulfur by S. So the formula is $P_4S_7$.

Answer:

$P_4S_7$