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8 O Oxygen (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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+--------------------+
| 8 ___ |
| / _ \ |
| | | | | |
| | |_| | |
| \___/ |
| |
| Oxygen |
| 15.999 u |
+--------------------+
Wiki Article: Oxygen
Electron Configuration: [He]2s2 2p4
Electronegativity: 3.44
Atomic Radius: 152 pm
Ionization Energy: 13.618 eV
Electron Affinity: 1.461 eV
Oxidation States: -2
Standard State: Gas
Melting Point: 54.36 K
Boiling Point: 90.2 K
Density: 0.001429 g/cm3
Family: Nonmetal
Year Discovered: 1774
Number of Neutrons: 8
Number of Protons: 8
Number of Electrons: 8
Number of Valence: 6
Valency: 2
Group: 16
Period: 2
Shell: p-shell
Specific Heat: 0.918 J/g K
Radioactive: 0
Occurrence: Natural
Source: Dying high-mass stars
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