Francium (Fr) Flashcards by o f | Brainscape

Q

Atomic number

A

87

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Q

Atomic weight

A

233

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Q

Abundance

A

1 x 10- 18 mg/kg

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Q

Radius

A

348pm

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Q

Melting point

A

27 °C

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Q

Boiling point

A

677 °C

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Q

Configuration

A

(Rn) 7s1

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Q

Discovered- by who

A

1939- M. Perey

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