12282. Element

Element : actinium
Symbol : ac
Atomic no. : 89
Melting Point (deg c) : 1051
Boiling Point (deg c) : 3198
Discoverer : debierne/giesel (1899/1902)

12283. Element

Element : aluminum
Symbol : al
Atomic no. : 13
Melting Point (deg c) : 660.32
Boiling Point (deg c) : 2519
Discoverer : wohler (1827)

12284. Element

Element : americium
Symbol : am
Atomic no. : 95
Melting Point (deg c) : 1176
Boiling Point (deg c) : 2011
Discoverer : seaborg et al. (1944)

12285. Element

Element : antimony
Symbol : sb
Atomic no. : 51
Melting Point (deg c) : 630.63
Boiling Point (deg c) : 1587
Discoverer : early historic times

12286. Element

Element : argon
Symbol : ar
Atomic no. : 18
Melting Point (deg c) : -189.35
Boiling Point (deg c) : -185.85
Discoverer : rayleigh and ramsay (1894)

12287. Element

Element : arsenic (gray)
Symbol : as
Atomic no. : 33
Melting Point (deg c) : 817
Boiling Point (deg c) : 603
Discoverer : albertus magnus (1250)

12288. Element

Element : astatine
Symbol : at
Atomic no. : 85
Melting Point (deg c) : 302
Boiling Point (deg c) :
Discoverer : corson et al. (1940)

12289. Element

Element : barium
Symbol : ba
Atomic no. : 56
Melting Point (deg c) : 727
Boiling Point (deg c) : 1897
Discoverer : davy (1808)

12290. Element

Element : berkelium
Symbol : bk
Atomic no. : 97
Melting Point (deg c) : 1050 (? form)
Boiling Point (deg c) :
Discoverer : seaborg et al. (1949)

12291. Element

Element : beryllium
Symbol : be
Atomic no. : 4
Melting Point (deg c) : 1287
Boiling Point (deg c) : 2471
Discoverer : vauquelin (1798)

12292. Element

Element : bismuth
Symbol : bi
Atomic no. : 83
Melting Point (deg c) : 271.40
Boiling Point (deg c) : 1564
Discoverer : geoffroy the younger (1753)

12293. Element

Element : bohrium
Symbol : bh
Atomic no. : 107
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer : armbruster and munzenberg (1981)

12294. Element

Element : boron
Symbol : b
Atomic no. : 5
Melting Point (deg c) : 2075
Boiling Point (deg c) : 4000
Discoverer : gay-lussac and (1808)

12295. Element

Element :
Symbol :
Atomic no. :
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer : thenard; davy

12296. Element

Element : bromine
Symbol : br
Atomic no. : 35
Melting Point (deg c) : -7.2
Boiling Point (deg c) : 58.8
Discoverer : balard (1826)

12297. Element

Element : cadmium
Symbol : cd
Atomic no. : 48
Melting Point (deg c) : 321.07
Boiling Point (deg c) : 767
Discoverer : stromeyer (1817)

12298. Element

Element : calcium
Symbol : ca
Atomic no. : 20
Melting Point (deg c) : 842
Boiling Point (deg c) : 1484
Discoverer : davy (1808)

12299. Element

Element : californium
Symbol : cf
Atomic no. : 98
Melting Point (deg c) : 900
Boiling Point (deg c) :
Discoverer : seaborg et al. (1950)

12300. Element

Element : carbon
Symbol : c
Atomic no. : 6
Melting Point (deg c) : 4492 (graphite)
Boiling Point (deg c) : 3825
Discoverer : prehistoric

12301. Element

Element : cerium
Symbol : ce
Atomic no. : 58
Melting Point (deg c) : 798
Boiling Point (deg c) : 3443
Discoverer : berzelius and hisinger; klaproth (1803)

Fact
Knowledge is growing so fast that ninety per cent of what we will know in fifty years time, will be discovered in those fifty years.      .. More >>