Estronsyo

Strontium
	38Sr
	rubidium ← strontium → yttrium
Panagway
	silvery white metallic;
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	strontium, Sr, 38
Paglitok	/ˈstrɒnʃⁱəm/; [[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	2, 5, 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
Atomic properties
Oxidation states	2, 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
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
	v; t; e; · 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.

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Estronsyo

References

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