Stroncium (Sr)
General Properties
| Symbol | Sr |
|---|---|
| Atomic Number | 38 |
| Atomic Weight | 87.62 |
| Group |
2 (alkaline earth metals or beryllium family)
IIA (IUPAC), IIA (CAS)
Solid, Paramagnetic, Conductor, Alkaline Earth Metal, Metal, Stable, Natural
|
| Period | 5 |
| Block | s |
Physical Properties
| Density | 2.54 g/cm3 |
|---|---|
| Atomic Volume | 33.7 cm3/mole |
| Atomic Radius | 2.15 angstroms |
| Covalent Radius | 192 pm |
| Crust Abundance | 0.036% |
| Crystal Structure | Cubic: Face centered |
| Color | Silver |
States
| Melting Point | 769.0 °C |
|---|---|
| Boiling Point | 1384.0 °C |
| Heat of Fusion | 8.2 kJ/mol |
| Heat of Vaporization | 136.9 kJ/mol |
Energy
| Electronegativity | 1.0 (Pauling Scale) |
|---|---|
| Electron Affinity | 5.03 kJ/mol |
| 1st Ionization Energy | 550 kJ/mol |
| 2. Ionization Energy | 1064.2 kJ/mol |
| 3. Ionization Energy | 4138 kJ/mol |
| 4. Ionization Energy | 5500 kJ/mol |
| 5. Ionization Energy | 6910 kJ/mol |
| 6. Ionization Energy | 8760 kJ/mol |
| 7. Ionization Energy | 10230 kJ/mol |
| 8. Ionization Energy | 11800 kJ/mol |
| 9. Ionization Energy | 15600 kJ/mol |
| 10. Ionization Energy | 17100 kJ/mol |
| 11. Ionization Energy | 31270 kJ/mol |
| Specific Heat Capacity | 0.3 J g−1 K−1 |
| Thermal Conductivity | 35.3 W·m−1·K−1 |
Electrons & Oxidation
| Oxidation States | 2 |
|---|---|
| Electrons Per Shell | 2 8 18 8 2 |
| Electron Configuration | [Kr] 5s2 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 | |
|
Orbital Diagram
1s ↿⇂ 2s ↿⇂ 2p ↿⇂ ↿⇂ ↿⇂ 3s ↿⇂ 3p ↿⇂ ↿⇂ ↿⇂ 3d ↿⇂ ↿⇂ ↿⇂ ↿⇂ ↿⇂ 4s ↿⇂ 4p ↿⇂ ↿⇂ ↿⇂ 4d 4f 5s ↿⇂ 5p 5d 5f |
|
Nuclear
| Radioactive | No |
|---|
Media
- Description
- Soft, malleable, silvery-yellow metal.
- Uses
- Used in flares and fireworks for crimson color. Strontium-90 is a long lived highly radioactive fallout product of atomic-bomb explosions.
- Sources
- Found in minerals celestite and strontianite.
- Pronounciation (English)
- STRON-she-em
Translations
| Afrikaans | Strontium | |
| Aragonese | Estronzio | |
| العربية | سترانشيوم | |
| Armãneashte | Strontsiumu | |
| asturianu | Estronciu | |
| azərbaycan dili | Stronsium | |
| български | Стронций | |
| বাংলা | স্ট্রনসিয়াম | |
| brezhoneg | Strontiom | |
| bosanski | Stroncij[um] | |
| Byelorussian | Стронцый | |
| Cebuano | Estronsyo | |
| čeština | Stroncium | |
| Chuvash | Стронци | |
| Cymraeg | Estronci | |
| dansk | Strontium | |
| Deutsch | Strontium | |
| Ελληνικά | Στροντιο | |
| English | Strontium | |
| esperanto | Stroncio | |
| español | Estroncio | |
| eesti | Strontsium | |
| euskara | Estrontzioa | |
| فارسی | استرونسیم | |
| suomi | Strontium | |
| føroyskt | Strontium | |
| français | Strontium | |
| furlan | Stronzi | |
| West-Frysk | Strontium | |
| Gaeilge | Strointiam | |
| Gàidhlig | Strointiam | |
| galego | Estroncio | |
| ગુજરાતી | સ્ટ્રૉંટીયમનો | |
| Gaelg | Stroinçhum | |
| Hakka Chinese | Sṳ̂ (鍶) | |
| עברית | סטרונציום | |
| हिन्दी | स्ट्रोन्सियम | |
| hrvatski | Stroncij | |
| magyar | Stroncium | |
| հայերեն | Ստրոնցիում | |
| Indonesia | Strontium | |
| íslenska | Strontín | |
| italiano | Stronzio | |
| 日本語 | ストロンチウム | |
| ქართული | სტორცინიუმი | |
| کٲشُر | Starnt | |
| қазақ тілі | Стронций | |
| 한국어 | 스트논듐 or 스트론튬 | |
| Kurdish | Stronsiyûm | |
| Komi | Стронций | |
| kernewek | Strontyum | |
| кыргызча | Стронций | |
| Latin | Strontium | |
| Lëtzebuergesch | Strontium | |
| Lombard | Strúnzi | |
| lingála | Sitotu | |
| lietuvių | Stroncis | |
| latviešu | Stroncijs | |
| Mari | Стронций | |
| Maori | Strontium | |
| македонски | Стронциум | |
| മലയാളം | സ്ട്രോണ്ഷിയം | |
| монгол | Стронци | |
| Мокшан | Стронти | |
| Bahasa Melayu | Strontium | |
| Malti | Stronzju[m] | |
| Nahuatl | Estroncio | |
| Nederlands | Strontium | |
| norsk | Strontium | |
| Occitan | Estronci | |
| ирон | Стронций | |
| polski | Stront | |
| português | Estrôncio | |
| Runasimi | Istronsyu | |
| română | Stronţiu | |
| русский | Стронций | |
| slovenčina | Stroncium | |
| slovenščina | Stroncij | |
| Samoan | Strontimi | |
| Samogitian | Struoncis | |
| shqip | Stroncium, ²Strontiumi | |
| српски | Стронцијум | |
| Southern Sotho | Strontiamo | |
| svenska | Strontium | |
| Kiswahili | Stronti | |
| தமிழ் | ஸ்ட்ரோண்டியம் | |
| Tajik | Стронсий | |
| ไทย | สทรอนเชียม | |
| Türkçe | Stronsiyum | |
| ئۇيغۇرچە | سترونتسىي | |
| українська | Стронцій | |
| o‘zbek | Stronsiy | |
| Tiếng Việt | Stronti | |
| Võro | Strontsium | |
| 中文 | 鍶 |
History
- Discovered In
- 1790
- Discovered By
- Adair Crawford
- Discovered At
- Scotland
- Word Origin
- Named after the village of "Strontian" in Scotland