"Roentgenium" ke revisions ke biich ke antar

127 bytes added ,  9 years ago
koi badle ke summary nai hai
 
 
'''Roentgenium''' ek [[chemical element]] hae, jiske chemical symbol '''Rg''', [[atomic number]] 111 aur atomic mass 281 hae. Ii ek [[badalte dhaatu]] (Transition metal) hae. Iske 1994 me pawa gais rahaa aur iske naam [[Germany] ke Physicist, [[Wilhelm Conrad Röntgen]], ke honour me rakkhaa gais hae.