(TXT) 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 ____ |
| / ___|___ |
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| | |___\__ \ |
| \____|___/ |
| |
| Cesium |
| 132.9054520 u |
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(TXT) Wiki Article: Cesium
(TXT) 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
(DIR) 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
(DIR) Shell: s-shell
Specific Heat: 0.242 J/g K
Radioactive: 0
Occurrence: Natural
(DIR) Source: Merging neutron stars