Periodic Table:

Element 85 - Astatine / Astatine

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

210 *

209.9871

0

5+

211 *

210.9875

0

9/2-

(* = unstable isotope)

Electron Configuration:

[Xe] 4f14 5d10 6s2 6p5

Relative Atomic Mass:

209.99

State (25°C, 1 atm):

?

Density:

?

Melting Temperature:

?

Boiling Temperature:

?

© W. Bauer, 1999