38 Sr Strontium (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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| 38 ____ | | |
| / ___| _ __ | | |
| \___ \| '__| | | |
| ___) | | | | |
| |____/|_| | | |
| | | |
| Strontium | | |
| 87.62 u | | |
+--------------------+ | |
Wiki Article: Strontium | |
Electron Configuration: [Kr]5s2 | |
Electronegativity: 0.95 | |
Atomic Radius: 249 pm | |
Ionization Energy: 5.695 eV | |
Electron Affinity: | |
Oxidation States: 2 | |
Standard State: Solid | |
Melting Point: 1050 K | |
Boiling Point: 1655 K | |
Density: 2.64 g/cm3 | |
Family: Alkaline earth metal | |
Year Discovered: 1790 | |
Number of Neutrons: 50 | |
Number of Protons: 38 | |
Number of Electrons: 38 | |
Number of Valence: 2 | |
Valency: 2 | |
Group: 2 | |
Period: 5 | |
Shell: s-shell | |
Specific Heat: 0.301 J/g K | |
Radioactive: 0 | |
Occurrence: Natural | |
Source: Dying low-mass stars |