Estronsyo

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(Naredirek gikan sa Strontium)
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)
rubidiumstrontiumyttrium
Panagway
silvery white metallic
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan strontium, Sr, 38
Paglitok /ˈstrɒnʃəm/
[[Help:Pronunciation respelling key|Plantilya:Smallcaps all-sh(ee)-əm]];
/ˈstrɒntiəm/
[[Help:Pronunciation respelling key|Plantilya:Smallcaps all-tee-əm]]
Kategoriyang elemento puthaw
Group, period, block 25, s
Gibug-aton sa atomo 87.62
Kontorno sa elektron [Kr] 5s2
2, 8, 18, 8, 2
Electron shells of strontium (2, 8, 18, 8, 2)
History
Pagkadiskobre William Cruickshank (1787)
First isolation Humphry Davy (1808)
Physical properties
Phase magahi
Density (near r.t.) 2.64 g·cm−3
Liquid density at m.p. 2.375 g·cm−3
Melting point 1050 K, 777 °C, 1431 °F
Boiling point 1655 K, 1382 °C, 2520 °F
Heat of fusion 7.43 kJ·mol−1
Heat of vaporization 136.9 kJ·mol−1
Molar heat capacity 26.4 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 796 882 990 1139 1345 1646
Atomic properties
Oxidation states 2, 1[1] (strongly basic oxide)
Electronegativity 0.95 (Pauling scale)
Ionization energies 1st: 549.5 kJ·mol−1
2nd: 1064.2 kJ·mol−1
3rd: 4138 kJ·mol−1
Atomic radius 215 pm
Covalent radius 195±10 pm
Van der Waals radius 249 pm
Miscellanea
Crystal structure face-centered cubic
Strontium has a face-centered cubic crystal structure
Magnetic ordering paramagnetic
Electrical resistivity (20 °C) 132 nΩ·m
Thermal conductivity 35.4 W·m−1·K−1
Thermal expansion (25 °C) 22.5 µm·m−1·K−1
Young's modulus 15.7 GPa
Shear modulus 6.03 GPa
Poisson ratio 0.28
Mohs hardness 1.5
CAS registry number 7440-24-6
Most stable isotopes
Main article: Isotopes of strontium
iso NA half-life DM DE (MeV) DP
82Sr syn 25.36 d ε - 82Rb
83Sr syn 1.35 d ε - 83Rb
β+ 1.23 83Rb
γ 0.76, 0.36 -
84Sr 0.56% 84Sr is stable with 46 neutrons
85Sr syn 64.84 d ε - 85Rb
γ 0.514D -
86Sr 9.86% 86Sr is stable with 48 neutrons
87Sr 7.0% 87Sr is stable with 49 neutrons
88Sr 82.58% 88Sr is stable with 50 neutrons
89Sr syn 50.52 d ε 1.49 89Rb
β 0.909D 89Y
90Sr trace 28.90 y β 0.546 90Y
· r

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[usba | usba ang wikitext]

  1. P. Colarusso et al. (1996). "High-Resolution Infrared Emission Spectrum of Strontium Monofluoride". J. Molecular Spectroscopy 175: 158. doi:10.1006/jmsp.1996.0019, http://bernath.uwaterloo.ca/media/149.pdf.