1H1.0083Li6.9411Na22.9919K39.137Rb85.4755Cs132.987Fr223
4Be9.01212Mg24.3120Ca40.0838Sr87.6256Ba137.388Ra226
21Sc44.9639Y88.91
57La138.989Ac227
22Ti47.8740Zr91.2272Hf178.5104Rf267
58Ce140.190Th232
23V50.9441Nb92.9173Ta180.9105Db268
59Pr140.991Pa231
24Cr5242Mo95.9574W183.8106Sg271
60Nd144.292U238
25Mn54.9443Tc97.9175Re186.2107Bh274
61Pm144.993Np237
26Fe55.8544Ru101.176Os190.2108Hs269
62Sm150.494Pu244
27Co58.9345Rh102.977Ir192.2109Mt276
63Eu15295Am243
28Ni58.6946Pd106.478Pt195.1110Ds281
64Gd157.396Cm247
29Cu63.5547Ag107.979Au197111Rg281
65Tb158.997Bk247
30Zn65.3848Cd112.480Hg200.6112Cn285
66Dy162.598Cf251
5B10.8113Al26.9831Ga69.7249In114.881Tl204.4113Nh286
67Ho164.999Es252
6C12.0114Si28.0932Ge72.6350Sn118.782Pb207.2114Fl289
68Er167.3100Fm257
7N14.0115P30.9733As74.9251Sb121.883Bi209115Mc288
69Tm168.9101Md258
8O1616S32.0634Se78.9752Te127.684Po209116Lv293
70Yb173102No259
9F1917Cl35.4535Br79.953I126.985At210117Ts294
71Lu175103Lr262
2He4.00310Ne20.1818Ar39.9536Kr83.854Xe131.386Rn222118Og294
Europium
Eu
Xe 6s2 4f7
822°C
1597°C
5.243g cm⁻³
Soft silvery metallic element belonging to the lanthanoids. ¹⁵¹Eu and ¹⁵³Eu are the only two stable isotopes, both of which are Neutron absorbers. Discovered in 1889 by Sir William Crookes.
168pm
134pm
100101102103104105log(kJ mol⁻¹)
0, +2, +3
Used with Yttrium oxide to make red phosphors for color televisions.
83.363kJ mol⁻¹
28.9cm³ mol⁻¹
199pm
235pm
Obtained from monazite sand, which is a mixture of phosphates of Calcium, Thorium, Cerium, and most other rare earths.
Discovered in 1901 by Eugène Demarçay in France
Named for the continent of Europe.
7440-53-1
2mg kg⁻¹
1.30x10⁻⁷mg dm⁻³
176kJ mol⁻¹
177.4kJ mol⁻¹
0.176J (g ⋅ K)⁻¹
13.9W (m ⋅ K)⁻¹
IsotopeAbundanceHalf Life
151Eu47.81%-
153Eu52.19%-
152Eu--
154Eu--
155Eu--

https://reuben.science

https://github.com/reubn/tabla


Using data from mendeleev.
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