Synonyms
Etymology

1. francium

noun. a radioactive element of the alkali-metal group discovered as a disintegration product of actinium.

Synonyms

  • Fr
  • atomic number 87
  • metal

Etymology

  • francium (French)
  • -ium (French)

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Example sentences of the word francium


1. Noun, singular or mass
Hypothetically, francium would react explosively with water in a comparable way to caesium but much more quickly.

2. Verb, non-3rd person singular present
This makes francium the most reactive of the alkali metals.

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