Sunyata Rikat General properties, Pangucapan ...
Radon, 86Rn|
Pangucapan | (RAY-don) |
---|
Wujud | Colorless gas |
---|
nomer massa | 222 (most stable isotope) |
---|
|
|
Atomic number (Z) | 86 |
---|
Group | group 18 (noble gases) |
---|
Period | period 6 |
---|
Blok | p-block |
---|
Konfigurasi èlèktron | [Xe] 4f14 5d10 6s2 6p6 |
---|
Electrons per shell | 2, 8, 18, 32, 18, 8 |
---|
|
Phase at STP | gas |
---|
Melting point | 202.0 K (−71.15 °C, −96.07 °F) |
---|
Boiling point | 211.3 K (−61.85 °C, −79.1 °F) |
---|
Density (at STP) | 9.73 g/L |
---|
when liquid (at b.p.) | 4.4 g/cm3 |
---|
Critical point | 377 K, 6.28 MPa |
---|
Heat of fusion | 3.247 kJ/mol |
---|
Heat of vaporization | 18.10 kJ/mol |
---|
Molar heat capacity | 5R/2 = 20.786 J/(mol·K) |
---|
Vapor pressure
P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
at T (K) |
110 |
121 |
134 |
152 |
176 |
211 |
|
|
Oxidation states | 2 |
---|
Electronegativity | Pauling scale: 2.2 |
---|
Covalent radius | 150 pm |
---|
Van der Waals radius | 220 pm |
---|
|
|
Crystal structure | face-centered cubic (fcc) |
---|
Thermal conductivity | 3.61 m W/(m·K) |
---|
Magnetic ordering | non-magnetic |
---|
CAS Number | 10043-92-2 |
---|
|
Isotope |
Abundance |
Half-life (t1/2) |
Decay mode |
Product |
210Rn |
syn |
2.4 h |
α |
6.404 |
206Po |
211Rn |
syn |
14.6 h |
ε |
2.892 |
211At |
α |
5.965 |
207Po |
222Rn |
trace |
3.8235 d |
α |
5.590 |
218Po |
224Rn |
syn |
1.8 h |
β |
0.8 |
224Fr |
|
| references | in Wikidata |
Tutup
Réferènsi
Daftar réferènsi bakal muncul jroning artikel utama.