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.

12410. Famous

Bikini atoll
Famous for : in pacific ocean, where first hydrogen bomb was tested by u.s.a.

12411. Famous

Bikini
Famous for : an atoll of the marshall islands. atomb bomb was dropped here experimentally in 1948.

12412. Famous

Bratislava
Famous for : a town in czechoslovakia on czech-russian border.

12413. Famous

Buckingham palace
Famous for : london residence of the british monarch.

Fact
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.      .. More >>