Periodex

General properties

Group

group 13

Period

period 7

Category

unknown

Standard atomic weight

-

Melting point

700 K (predicted)

Boiling point

1430 K (predicted)

Phase at STP

solid (predicted)

Additional properties

Block

p-block

Electron configuration

[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹ (predicted)

Electrons per shell

2, 8, 18, 32, 32, 18, 3

Electronegativity

–

Density

16 g/cm³ (predicted)

Oxidation states

(−1), (+1), (+3), (+5) (parenthesized: prediction)

CAS Number

54084-70-7

Natural isotopes

Discovery history

Discovered by

Riken, Joint Institute for Nuclear Research 및 Lawrence Livermore National Laboratory

Year of discovery

2003, 2004

Origin of name

After Japan (Nihon in Japanese)