قالب:Infobox element/testcases/demo sbox

Wikipedium,  ₀₀Xx

cmtcmt_file=Bromine_25ml.jpg
cmtcmt_file=Neon spectra.jpg
General properties
Name, symbol	wikipedium, Xx
Pronunciation	230 cmt233 235
Alternative names	21012111
Allotropes	2141
Appearance	Wikipedium appears to be a shiny hoax. In its beta form, the hoax is transparent.
Wikipedium in the periodic table
Nn ↑ Xx ↓ Ss West ← wikipedium → East
Atomic number	00
Standard atomic weight	300(310) cmt313
Element category	240, cmt250
Group, period, block	المجموعة 11 cmt11; period 280 cmt283; 290-block cmt293
Electron configuration	330 cmt333
per shell	340 cmt343
Physical properties
cmt361
370
Phase	liquid cmt390
Melting point	470 K ​(480 °C, ​490 °F) cmt493
Boiling point	550 K ​(560 °C, ​570 °F) cmt573
Sublimation point	510 K ​(520 °C, ​530 °F) cmt513
Density	410 g/L cmt413 (at 0 °C, 101.325 kPa)
Density (near r.t.)	420 g·cm−3 cmt423 430 g·cm−3 cmt433 440 g·cm−3 cmt443
Liquid density	at m.p.: 450 g·cm−3 cmt453 at b.p.: 460 g·cm−3 cmt463
Triple point	590 K, ​600 kPa cmt593 2590 K, 2600 kPa cmt2593
Critical point	610 K, 620 MPa cmt623
Heat of fusion	630 kJ·mol−1 cmt633 640 kJ·mol−1 cmt643
Heat of	660 kJ·mol−1 cmt663
Molar heat capacity	680 J·mol−1·K−1 cmt683 690 J·mol−1·K−1 cmt693
pressure cmt773 P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 710 720 730 740 750 760
pressure cmt843 P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 780 790 800 810 820 830
Atomic properties
cmt851
Oxidation states	860 ​cmt870
Electronegativity	880 (Pauling scale) cmt883
energies	1st: 901 kJ·mol−1 cmt903 2nd: 911 kJ·mol−1 cmt913 3rd: 921 kJ·mol−1 cmt923 (more) cmt2903
Atomic radius	empirical: 930 pm cmt933 calculated: 940 pm cmt943
Covalent radius	950 pm cmt960
Van der Waals radius	970 pm cmt973
Miscellanea
Crystal structure	981 ​tetragonal cmt1010
Crystal structure	1020 ​موسطنة الوجه مكعبة ماسية cmt1023
Speed of sound	1150 m·s−1 cmt1153 thin rod: 1160 m·s−1 (at 20 °C) cmt1163 thin rod: 1170 m·s−1 (at r.t.) cmt1173
Thermal expansion	1130 µm·m−1·K−1 cmt1133 1140 µm·m−1·K−1 (at 25 °C) cmt1143
Thermal conductivity	1100 W·m−1·K−1 cmt1103 1110 W·m−1·K−1 cmt1113
Thermal diffusivity	1120 mm2/s (at 300 K) cmt1123
Electrical resistivity	1070 zΩ·m cmt1073 at 0 °C: 1080 zΩ·m cmt1083 at 20 °C: 1091 zΩ·m cmt1093
Band gap	1280 eV (at 300 K) cmt1283
Curie point	1061 K cmt1063
Magnetic ordering	1050 cmt1053
Tensile strength	1180 MPa cmt1183
Young's modulus	1190 GPa cmt1193
Shear modulus	1200 GPa cmt1203
Bulk modulus	1210 GPa cmt1213
Poisson ratio	1220 cmt1223
Mohs hardness	1230 cmt1233 1240 cmt1243
Vickers hardness	1250 MPa cmt1253
Brinell hardness	1260 MPa cmt1263
CAS number	1270 cmt1273
History
Naming	1350
Prediction	1360 (1370)
Discovery	1380 (1390)
First isolation	1400 (1410)
Named by	1420 (1430)
1440	1450
Most stable isotopes
iso NA half-life DM DE (MeV) DP
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