Question

give the best systematic name for the compound p₂s₅ 1 2 a. phosphorus b. diphosphorus c. phosphorus (ii) d. sulfur e. sulfide f. pentasulfide g. pete

Explanation:

Step1: Identify element names

The elements in the compound are phosphorus (P) and sulfur (S).

Step2: Determine prefixes for number of atoms

There are 2 phosphorus atoms, so the prefix for phosphorus is "diphosphorus". There are 5 sulfur atoms, so the prefix for sulfur is "pentasulfide".

Answer:

B. diphosphorus, F. pentasulfide