12355. Element

Element : palladium
Symbol : pd
Atomic no. : 46
Melting Point (deg c) : 1554.9
Boiling Point (deg c) : 2963
Discoverer : wollaston (1803)

12356. Element

Element : phosphorous
Symbol : p
Atomic no. : 15
Melting Point (deg c) : 44.15
Boiling Point (deg c) : 280.5
Discoverer : brand (1669)

12357. Element

Element : (white)
Symbol :
Atomic no. :
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer :

12358. Element

Element : platinum
Symbol : pt
Atomic no. : 78
Melting Point (deg c) : 1768.4
Boiling Point (deg c) : 3825
Discoverer : ulloa/wood (1735/1741)

12359. Element

Element : plutonium
Symbol : pu
Atomic no. : 94
Melting Point (deg c) : 640
Boiling Point (deg c) : 3228
Discoverer : seaborg et al. (1940)

12360. Element

Element : polonium
Symbol : po
Atomic no. : 84
Melting Point (deg c) : 254
Boiling Point (deg c) : 962
Discoverer : curie (1898)

12361. Element

Element : potassium
Symbol : k
Atomic no. : 19
Melting Point (deg c) : 63.5
Boiling Point (deg c) : 759
Discoverer : davy (1807)

12362. Element

Element : praseodymium
Symbol : pr
Atomic no. : 59
Melting Point (deg c) : 931
Boiling Point (deg c) : 3520
Discoverer : von welsbach (1885)

12363. Element

Element : promethium
Symbol : pm
Atomic no. : 61
Melting Point (deg c) : 1042
Boiling Point (deg c) : 3000
Discoverer : marinsky et al. (1945)

12364. Element

Element : protactinium
Symbol : pa
Atomic no. : 91
Melting Point (deg c) : 1572
Boiling Point (deg c) :
Discoverer : hahn and meitner (1917)

12365. Element

Element : radium
Symbol : ra
Atomic no. : 88
Melting Point (deg c) : 700
Boiling Point (deg c) :
Discoverer : pierre and marie curie (1898)

12366. Element

Element : radon
Symbol : rn
Atomic no. : 86
Melting Point (deg c) : -71
Boiling Point (deg c) : -61.7
Discoverer : dorn (1900)

12367. Element

Element : rhenium
Symbol : re
Atomic no. : 75
Melting Point (deg c) : 3186
Boiling Point (deg c) : 5596
Discoverer : noddack, berg, and tacke (1925)

12368. Element

Element : rhodium
Symbol : rh
Atomic no. : 45
Melting Point (deg c) : 1964
Boiling Point (deg c) : 3695
Discoverer : wollaston (1803)

12369. Element

Element : roentgenium10
Symbol : rg
Atomic no. : 111
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer : hofmann et al. (1994)

12370. Element

Element : rubidium
Symbol : rb
Atomic no. : 37
Melting Point (deg c) : 39.30
Boiling Point (deg c) : 688
Discoverer : bunsen and kirchoff (1861)

12371. Element

Element : ruthenium
Symbol : ru
Atomic no. : 44
Melting Point (deg c) : 2334
Boiling Point (deg c) : 4150
Discoverer : klaus (1844)

12372. Element

Element : rutherfordium
Symbol : rf
Atomic no. : 104
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer : ghiorso et al. (1969)

12373. Element

Element : samarium
Symbol : sm
Atomic no. : 62
Melting Point (deg c) : 1074
Boiling Point (deg c) : 1794
Discoverer : boisbaudran (1879)

12374. Element

Element : scandium
Symbol : sc
Atomic no. : 21
Melting Point (deg c) : 1541
Boiling Point (deg c) : 2836
Discoverer : nilson (1878)

12375. Element

Element : seaborgium
Symbol : sg
Atomic no. : 106
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer : ghiorso et al. (1974)

12376. Element

Element : selenium
Symbol : se
Atomic no. : 34
Melting Point (deg c) : 220.5
Boiling Point (deg c) : 685
Discoverer : berzelius (1817)

12377. Element

Element : (gray)
Symbol :
Atomic no. :
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer :

12378. Element

Element : silicon
Symbol : si
Atomic no. : 14
Melting Point (deg c) : 1414
Boiling Point (deg c) : 3265
Discoverer : berzelius (1824)

12379. Element

Element : silver
Symbol : ag
Atomic no. : 47
Melting Point (deg c) : 961.78
Boiling Point (deg c) : 2162
Discoverer : prehistoric

12380. Element

Element : sodium
Symbol : na
Atomic no. : 11
Melting Point (deg c) : 97.80
Boiling Point (deg c) : 883
Discoverer : davy (1807)

12381. Element

Element : strontium
Symbol : sr
Atomic no. : 38
Melting Point (deg c) : 777
Boiling Point (deg c) : 1382
Discoverer : davy (1808)

12382. Element

Element : sulfur
Symbol : s
Atomic no. : 16
Melting Point (deg c) : 95.3 (rhombic)
Boiling Point (deg c) : 444.60
Discoverer : prehistoric

12383. Element

Element : tantalum
Symbol : ta
Atomic no. : 73
Melting Point (deg c) : 3017
Boiling Point (deg c) : 5458
Discoverer : ekeberg (1801)

12384. Element

Element : technetium
Symbol : tc
Atomic no. : 43
Melting Point (deg c) : 2157
Boiling Point (deg c) : 4265
Discoverer : perrier and segre (1937)

12385. Element

Element : tellurium
Symbol : te
Atomic no. : 52
Melting Point (deg c) : 449.51
Boiling Point (deg c) : 988
Discoverer : von reichenstein (1782)

12386. Element

Element : terbium
Symbol : tb
Atomic no. : 65
Melting Point (deg c) : 1356
Boiling Point (deg c) : 3230
Discoverer : mosander (1843)

12387. Element

Element : thallium
Symbol : tl
Atomic no. : 81
Melting Point (deg c) : 304
Boiling Point (deg c) : 1473
Discoverer : crookes (1861)

12388. Element

Element : thorium
Symbol : th
Atomic no. : 90
Melting Point (deg c) : 1750
Boiling Point (deg c) : 4788
Discoverer : berzelius (1828)

12389. Element

Element : thulium
Symbol : tm
Atomic no. : 69
Melting Point (deg c) : 1545
Boiling Point (deg c) : 1950
Discoverer : cleve (1879)

12390. Element

Element : tin (white)
Symbol : sn
Atomic no. : 50
Melting Point (deg c) : 231.93
Boiling Point (deg c) : 2602
Discoverer : prehistoric

12391. Element

Element : titanium
Symbol : ti
Atomic no. : 22
Melting Point (deg c) : 1668
Boiling Point (deg c) : 3287
Discoverer : gregor (1791)

12392. Element

Element : tungsten
Symbol : w
Atomic no. : 74
Melting Point (deg c) : 3422
Boiling Point (deg c) : 5555
Discoverer : j. and f. d'elhuyar (1783)

12393. Element

Element : uranium
Symbol : u
Atomic no. : 92
Melting Point (deg c) : 1135
Boiling Point (deg c) : 4131
Discoverer : peligot (1841)

12394. Element

Element : vanadium
Symbol : v
Atomic no. : 23
Melting Point (deg c) : 1910
Boiling Point (deg c) : 3407
Discoverer : del rio (1801)

12395. Element

Element : xenon
Symbol : xe
Atomic no. : 54
Melting Point (deg c) : -111.79
Boiling Point (deg c) : -108.12
Discoverer : ramsay and travers (1898)

12396. Element

Element : ytterbium
Symbol : yb
Atomic no. : 70
Melting Point (deg c) : 819
Boiling Point (deg c) : 1196
Discoverer : marignac (1878)

12397. Element

Element : yttrium
Symbol : y
Atomic no. : 39
Melting Point (deg c) : 1522
Boiling Point (deg c) : 3345
Discoverer : gadolin (1794)

12398. Element

Element : zinc
Symbol : zn
Atomic no. : 30
Melting Point (deg c) : 419.5
Boiling Point (deg c) : 907
Discoverer : prehistoric

12399. Element

Element : zirconium
Symbol : zr
Atomic no. : 40
Melting Point (deg c) : 1855
Boiling Point (deg c) : 4409
Discoverer : klaproth (1789)

12400. Famous

No 10, downing street
Famous for : official residence of the british prime minister.

12401. Famous

Abadan(iran)
Famous for : famous for oil refinery.

12402. Famous

Alaska (u.s.a.)
Famous for : in 1958 it was declared as 49th state of u.s.a. it is near canada.

12403. Famous

Alexandria
Famous for : city and sea-port of egypt, founded by alexander the great. handles about 80% of the country's exports.

12404. Famous

Angkor wat
Famous for : ruined temple in cambodia. signposts of ancient oriental civilisation.

Fact
A leech has 32 brains      .. More >>