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californium

Advanced (C1/C2)

IPA: /ˌkælɪˈfɔːrniəm/

KK: /kælɪˈfɔːrniəm/

noun
Definition

A man-made chemical element that is radioactive and has the atomic number 98. It is created by bombarding curium with helium isotopes and is known for emitting alpha particles.


Example

Californium is used in some nuclear reactors and for neutron activation analysis.


Conversation
Sloth A
Have you ever heard of californium?
Sloth B
Yeah, it's that radioactive element, right?
Sloth A
Exactly! It's used in some really interesting applications.
Sloth B
I read it can help with nuclear reactors and even in cancer treatment.

Synonyms & Antonyms
Synonyms
element
isotope
radioactive
Antonyms
stable
nonradioactive
inert
Root Explanation

Californium is named after the state of California, where it was first synthesized, combined with the suffix '-ium' (used in chemistry to denote metallic elements). The name reflects both its geographical origin and its classification as a chemical element.

Memory Tip

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

Visually Confused Words
alcicornium
cauliform
calciform
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