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 |