Fact Book - Now You Know

Enhance your General Knowledge

Element : actinium
Symbol : ac
Atomic no. : 89
Melting Point (deg c) : 1051
Boiling Point (deg c) : 3198
Discoverer : debierne/giesel (1899/1902)

Element : aluminum
Symbol : al
Atomic no. : 13
Melting Point (deg c) : 660.32
Boiling Point (deg c) : 2519
Discoverer : wohler (1827)

Element : americium
Symbol : am
Atomic no. : 95
Melting Point (deg c) : 1176
Boiling Point (deg c) : 2011
Discoverer : seaborg et al. (1944)

Element : antimony
Symbol : sb
Atomic no. : 51
Melting Point (deg c) : 630.63
Boiling Point (deg c) : 1587
Discoverer : early historic times

Element : argon
Symbol : ar
Atomic no. : 18
Melting Point (deg c) : -189.35
Boiling Point (deg c) : -185.85
Discoverer : rayleigh and ramsay (1894)

Element : arsenic (gray)
Symbol : as
Atomic no. : 33
Melting Point (deg c) : 817
Boiling Point (deg c) : 603
Discoverer : albertus magnus (1250)

Element : astatine
Symbol : at
Atomic no. : 85
Melting Point (deg c) : 302
Boiling Point (deg c) :
Discoverer : corson et al. (1940)

Element : barium
Symbol : ba
Atomic no. : 56
Melting Point (deg c) : 727
Boiling Point (deg c) : 1897
Discoverer : davy (1808)