Fact Book

12316. Element
Element : francium
Symbol : fr
Atomic no. : 87
Melting Point (deg c) : 27
Boiling Point (deg c) :
Discoverer : perey (1939)

12317. Element
Element : gadolinium
Symbol : gd
Atomic no. : 64
Melting Point (deg c) : 1313
Boiling Point (deg c) : 3273
Discoverer : de marignac (1880)

12318. Element
Element : gallium
Symbol : ga
Atomic no. : 31
Melting Point (deg c) : 29.76
Boiling Point (deg c) : 2204
Discoverer : de boisbaudran (1875)

12319. Element
Element : germanium
Symbol : ge
Atomic no. : 32
Melting Point (deg c) : 938.25
Boiling Point (deg c) : 2833
Discoverer : winkler (1886)

12320. Element
Element : gold
Symbol : au
Atomic no. : 79
Melting Point (deg c) : 1064.18
Boiling Point (deg c) : 2856
Discoverer : prehistoric

12321. Element
Element : hafnium
Symbol : hf
Atomic no. : 72
Melting Point (deg c) : 2233
Boiling Point (deg c) : 4603
Discoverer : coster and von hevesy (1923)

12322. Element
Element : hassium
Symbol : hs
Atomic no. : 108
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer : armbruster and munzenberg (1983)

12323. Element
Element : helium
Symbol : he
Atomic no. : 2
Melting Point (deg c) : -272.2
Boiling Point (deg c) : -268.934
Discoverer : janssen (1868)

12324. Element
Element : holmium
Symbol : ho
Atomic no. : 67
Melting Point (deg c) : 1474
Boiling Point (deg c) : 2700
Discoverer : delafontaine and soret (1878)

12325. Element
Element : hydrogen
Symbol : h
Atomic no. : 1
Melting Point (deg c) : -259.34
Boiling Point (deg c) : -252.87
Discoverer : cavendish (1766)

12326. Element
Element : indium
Symbol : in
Atomic no. : 49
Melting Point (deg c) : 156.60
Boiling Point (deg c) : 2072
Discoverer : reich and richter (1863)

12327. Element
Element : iodine
Symbol : i
Atomic no. : 53
Melting Point (deg c) : 113.7
Boiling Point (deg c) : 184.4
Discoverer : courtois (1811)

12328. Element
Element : iridium
Symbol : ir
Atomic no. : 77
Melting Point (deg c) : 2446
Boiling Point (deg c) : 4428
Discoverer : tennant (1804)

12329. Element
Element : iron
Symbol : fe
Atomic no. : 26
Melting Point (deg c) : 1538
Boiling Point (deg c) : 2861
Discoverer : prehistoric

12330. Element
Element : krypton
Symbol : kr
Atomic no. : 36
Melting Point (deg c) : -157.38
Boiling Point (deg c) : -153.22
Discoverer : ramsay and travers (1898)

12331. Element
Element : lanthanum
Symbol : la
Atomic no. : 57
Melting Point (deg c) : 918
Boiling Point (deg c) : 3464
Discoverer : mosander (1839)

12332. Element
Element : lawrencium
Symbol : lr
Atomic no. : 103
Melting Point (deg c) : 1627
Boiling Point (deg c) :
Discoverer : ghiorso et al. (1961)

12333. Element
Element : lead
Symbol : pb
Atomic no. : 82
Melting Point (deg c) : 327.46
Boiling Point (deg c) : 1749
Discoverer : prehistoric

12334. Element
Element : lithium
Symbol : li
Atomic no. : 3
Melting Point (deg c) : 180.50
Boiling Point (deg c) : 1342
Discoverer : arfvedson (1817)

12335. Element
Element : lutetium
Symbol : lu
Atomic no. : 71
Melting Point (deg c) : 1663
Boiling Point (deg c) : 3402
Discoverer : urbain/ von welsbach (1907)

12336. Element
Element : magnesium
Symbol : mg
Atomic no. : 12
Melting Point (deg c) : 650
Boiling Point (deg c) : 1090
Discoverer : black (1755)

12337. Element
Element : manganese
Symbol : mn
Atomic no. : 25
Melting Point (deg c) : 1246
Boiling Point (deg c) : 2061
Discoverer : gahn, scheele, and (1774)

12338. Element
Element :
Symbol :
Atomic no. :
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer : bergman

12339. Element
Element : meitnerium
Symbol : mt
Atomic no. : 109
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer : gsi, darmstadt, (1982)

12340. Element
Element :
Symbol :
Atomic no. :
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer : west germany

12341. Element
Element : mendelevium
Symbol : md
Atomic no. : 101
Melting Point (deg c) : 827
Boiling Point (deg c) :
Discoverer : ghiorso et al. (1955)

12342. Element
Element : mercury
Symbol : hg
Atomic no. : 80
Melting Point (deg c) : -38.83
Boiling Point (deg c) : 356.73
Discoverer : prehistoric

12343. Element
Element : molybdenum
Symbol : mo
Atomic no. : 42
Melting Point (deg c) : 2623
Boiling Point (deg c) : 4639
Discoverer : scheele (1778)

12344. Element
Element : neodymium
Symbol : nd
Atomic no. : 60
Melting Point (deg c) : 1021
Boiling Point (deg c) : 3074
Discoverer : von welsbach (1885)

12345. Element
Element : neon
Symbol : ne
Atomic no. : 10
Melting Point (deg c) : -248.59
Boiling Point (deg c) : -246.08
Discoverer : ramsay and travers (1898)

12346. Element
Element :
Symbol :
Atomic no. :
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer :

12347. Element
Element : neptunium
Symbol : np
Atomic no. : 93
Melting Point (deg c) : 644
Boiling Point (deg c) :
Discoverer : mcmillan and abelson (1940)

12348. Element
Element : nickel
Symbol : ni
Atomic no. : 28
Melting Point (deg c) : 1455
Boiling Point (deg c) : 2913
Discoverer : cronstedt (1751)

12349. Element
Element : niobium
Symbol : nb
Atomic no. : 41
Melting Point (deg c) : 2477
Boiling Point (deg c) : 4744
Discoverer : hatchett (1801)

12350. Element
Element : (columbium)
Symbol :
Atomic no. :
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer :

12351. Element
Element : nitrogen
Symbol : n
Atomic no. : 7
Melting Point (deg c) : -210
Boiling Point (deg c) : -195.79
Discoverer : rutherford (1772)

12352. Element
Element : nobelium
Symbol : no
Atomic no. : 102
Melting Point (deg c) : 827
Boiling Point (deg c) :
Discoverer : ghiorso et al. (1958)

12353. Element
Element : osmium
Symbol : os
Atomic no. : 76
Melting Point (deg c) : 3033
Boiling Point (deg c) : 5012
Discoverer : tennant (1803)

12354. Element
Element : oxygen
Symbol : o
Atomic no. : 8
Melting Point (deg c) : -218.79
Boiling Point (deg c) : -182.95
Discoverer : priestley/scheele (1774)

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)

>

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

My Account / Test History

Fact
The first translation of the Bible into English was in 1382 A.D., by John Wycliff      .. More >>
Home
My Account
English Test
Verbal Reasoning
GK Quiz
Grammar Test