硫化水素

1. Origins, structure, and basic meaning

• Structure: 硫化水素 is read as りゅうかすいそ and is a noun naming the chemical substance hydrogen sulfide.
• Basic usage: A molecular model appears in 硫化水素の分子模型, while a detection device appears in 硫化水素を検知する装置.

2. Common pitfalls and similar expressions

• A single chemical name
  • 硫化水素 combines 硫化 and 水素 as one technical name and should be read and understood as a complete term.
• Difference from 水素
  • 水素 denotes hydrogen, while 硫化水素 denotes the separate chemical substance hydrogen sulfide.