👉 In the context of chemistry, a prilled substance is typically used to describe a compound that contains only one type of atom or group of atoms. These compounds are also known as "prill" substances, and they are often found in natural sources such as minerals, rocks, and ores. Examples of prills include iron (Fe) and lead (Pb), which contain only one type of atom - oxygen. Other examples of prills include lithium (Li) and strontium (Sr