55 Cs Cesium (plaintext) | |
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 Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn | |
Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og | |
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu | |
Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr | |
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| 55 ____ | | |
| / ___|___ | | |
| | | / __| | | |
| | |___\__ \ | | |
| \____|___/ | | |
| | | |
| Cesium | | |
| 132.9054520 u | | |
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Wiki Article: Cesium | |
Item: Songs of Cesium | |
Electron Configuration: [Xe]6s1 | |
Electronegativity: 0.79 | |
Atomic Radius: 343 pm | |
Ionization Energy: 3.894 eV | |
Electron Affinity: 0.472 eV | |
Oxidation States: 1 | |
Standard State: Solid | |
Melting Point: 301.59 K | |
Boiling Point: 944 K | |
Density: 1.93 g/cm3 | |
Family: Alkali metal | |
Year Discovered: 1860 | |
Number of Neutrons: 78 | |
Number of Protons: 55 | |
Number of Electrons: 55 | |
Number of Valence: 1 | |
Valency: 1 | |
Group: 1 | |
Period: 6 | |
Shell: s-shell | |
Specific Heat: 0.242 J/g K | |
Radioactive: 0 | |
Occurrence: Natural | |
Source: Merging neutron stars |