Estronsyo

Strontium
38Sr
Ca

Sr

Ba
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Periodic table
rubidiumstrontiumyttrium
Panagway
silvery white metallic
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphanstrontium, Sr, 38
Paglitok/
[[Help:Pronunciation respelling key|Plantilya:Smallcaps all-sh(ee)-əm]];
/
[[Help:Pronunciation respelling key|Plantilya:Smallcaps all-tee-əm]]
Kategoriyang elementoputhaw
Group, period, block2, 5, s
Gibug-aton sa atomo87.62
Kontorno sa elektron[Kr] 5s2
2, 8, 18, 8, 2
Electron shells of strontium (2, 8, 18, 8, 2)
History
PagkadiskobreWilliam Cruickshank (1787)
First isolationHumphry Davy (1808)
Physical properties
Phasemagahi
Density (near r.t.)2.64 g·cm−3
Liquid density at m.p.2.375 g·cm−3
Melting point1050 K, 777 °C, 1431 °F
Boiling point1655 K, 1382 °C, 2520 °F
Heat of fusion7.43
Heat of vaporization136.9 kJ·mol−1
Molar heat capacity26.4 J·mol−1·K−1
Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)796882990113913451646
Atomic properties
Oxidation states2, 1[1] (strongly basic oxide)
Electronegativity0.95 (Pauling scale)
Ionization energies1st: 549.5 kJ·mol−1
2nd: 1064.2 kJ·mol−1
3rd: 4138 kJ·mol−1
Atomic radius215 pm
Covalent radius195±10 pm
Van der Waals radius249 pm
Miscellanea
Crystal structureface-centered cubic
Strontium has a face-centered cubic crystal structure
Magnetic orderingparamagnetic
Electrical resistivity(20 °C) 132 nΩ·m
Thermal conductivity35.4 W·m−1·K−1
Thermal expansion(25 °C) 22.5 µm·m−1·K−1
Young's modulus15.7 GPa
Shear modulus6.03 GPa
Poisson ratio0.28
Mohs hardness1.5
CAS registry number7440-24-6
Most stable isotopes
Main article: Isotopes of strontium
isoNAhalf-lifeDMDE (MeV)DP
82Srsyn25.36 dε-82Rb
83Srsyn1.35 dε-83Rb
1.2383Rb
γ0.76, 0.36-
84Sr0.56%84Sr is stable with 46 neutrons
85Srsyn64.84 dε-85Rb
γ0.514D-
86Sr9.86%86Sr is stable with 48 neutrons
87Sr7.0%87Sr is stable with 49 neutrons
88Sr82.58%88Sr is stable with 50 neutrons
89Srsyn50.52 dε1.4989Rb
0.909D89Y
90Srtrace28.90 yβ0.54690Y
·

Ang estronsyo or estrontyo (Iningles strontium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Sr ug kaiphan nga atomik 38. Ang estrontyo mao ang puthaw.

  • references

References

  1. P. Colarusso et al. (1996). "High-Resolution Infrared Emission Spectrum of Strontium Monofluoride". J. Molecular Spectroscopy 175: 158. http://bernath.uwaterloo.ca/media/149.pdf. 
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