Definition

A man-made, radioactive metal that is part of the actinide series in the periodic table. It has several isotopes, some of which are used in research and as radiation sources. This element is known for its ability to emit alpha rays.

Example

Americium is used in smoke detectors and as a radiation source in various applications.

Conversation

Have you ever heard of the element americium?

Yeah, I think it's used in some smoke detectors, right?

Exactly! It’s interesting how a radioactive element can be so useful.

Definitely! Science has some fascinating applications.

Root Explanation

Americium is named after America, reflecting its discovery in the United States. The suffix '-ium' is commonly used in chemistry to denote metallic elements. Thus, the word 'americium' signifies a metallic element named after America.

Memory Tip

Think of 'America' as the place where this metallic element was discovered, and remember that '-ium' indicates it is a metal.

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