स्ट्रोंटियम तत्व के बारे में जानकारी (Information about Strontium element)
Strontium
01. 1st ionization energy [eV] → 5.6948
02. 2nd ionization energy [eV] → 11.03
03. 3rd ionization energy [eV] → 43.6
04. Atomic number → 38
05. Atomic radius [pm] → 219
06. Boiling point [°C] → 1384
07. Covalent radius [pm] → 182
08. Density [g/cm3] → 2.6
09. Discovery → 1790
10. Electrical conductivity [S m-1] → 2 • 10^6
11. Electron configuration → 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2
12. Electronegativity → 1
13. Element category → Alkaline earth metals
14. Group → II.A
15. Hardness [Mohs scale] → 1.8
16. Heat capacity [J K-1g-1] → 0.3
17. Latin name → Strontium
18. Melting point [°C] → 769
19. Oxidation numbers → 2
20. Period → 5
21. Relative atomic mass → 87.62
22. Stable isotopes → 4
23. State → Solid
24. Symbol → Sr
25. Thermal conductivity [W m-1K-1] → 35.3
26. Unstable isotopes → 13
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