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Erbij - Wikipedija

Erbij

Izvor: Wikipedija

Kemija > Kemijski element > H - He - Li - Be - B - C - N - O - F - Ne - Na - Mg - Al - Si - P - S - Cl - Ar - K - Ca - Sc - Ti - V - Cr - Mn - Fe - Co - Ni - Cu - Zn - Ga - Ge - As - Se - Br - Kr - Rb - Sr - Y - Zr - Nb - Mo - Tc - Ru - Rh - Pd - Ag - Cd - In - Sn - Sb - Te - I - Xe - Cs - Ba - La - Ce - Pr - Nd - Pm - Sm - Eu - Gd - Tb - Dy - Ho - Er - Tm - Yb - Lu - Hf - Ta - W - Re - Os - Ir - Pt - Au - Hg - Tl - Pb - Bi - Po - At - Rn - Fr - Ra - Ac - Th - Pa - U - Np - Pu - Am - Cm - Bk - Cf - Es - Fm - Md - No - Lr - Rf - Db - Sg - Bh - Hs - Mt - Ds - Rg - Uub - Uut - Uuq - Uup - Uuh - Uus - Uuo
Osnovna svojstva
Ime elementa, simbol, atomski broj Erbij, Er, 68
Kemijska skupina lantanoidi
Grupa, perioda, Blok ?, 6, f
Gustoća, Tvrdoća 9066 kg/m3, ?
Atomska svojstva
Atomska masa 167.259(3)
Elektronska konfiguracija [Xe] 4f12 6s2

Erbij je kemijski element koji u periodnom sustavu elemenata nosi simbol Er, atomski (redni) broj mu je 68, a atomska masa mu iznosi 167.259(3).

Erbij je 1843. godine otkrio Carl Gustaf Mosander (Švedska). Ime je dobio po švedskom selu Ytterby gdje je nalazište gadolinita iz kojeg je prvi put izdvojen. To je srebrno sivi, mekani i kovki metal koji je stabilan u suhom zraku. Topljiv je u kiselinama.


Nedovršeni članak Erbij koji govori o kemijskim elementima treba dopuniti. Dopunite ga prema pravilima Wikipedije.

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