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.

12405. Famous

Aswam dam
Famous for : a dam in egypt across the river nile.

12406. Famous

Baku
Famous for : oilfields of azerbaijan.

12407. Famous

Bastille
Famous for : it was a jail in paris. destroyed during the french revolution.

12408. Famous

Beding (australia)
Famous for : famous for gold mines.

12409. Famous

Bethlehem
Famous for : a town palestine, the birth place of christ.

Fact
Sharks are so powerful that their bite can generate a force of up to 18 tons per square inch      .. More >>