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)

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)

History Facts
Before modern plumbing, a gong scourer was a boy who was sent into cess pits to scoop and scrape all the muck into buckets and remove it. The job was so horrible it was done at night so that people wouldn't have to see it happening.      .. More >>