Read More
Date: 4-3-2017
1220
Date: 28-1-2018
955
Date: 6-1-2019
1260
|
The metal melts below the boiling point of water (97oC). In its elemental state it has been used as a molten coolant in nuclear reactors and is currently under research for sodium/sulfur batteries. Its most common compounds for industrial use include sodium chloride, sodium hydroxide (lye), sodium carbonate (washing soda) and sodium sulfate.
Color | Silver |
Phase at Room Temperature | Solid |
Density | 0.968 g/cm3 |
Boiling Point | 883o C |
Melting Point | 97.72o C |
Mean Content in Earth Crust | 23600 ppm (g/tonne) |
Mean Content in Oceans | 10800 ppm (g/tonne) |
Residence time in oceans | 50E6 years |
Mean Content in Adult Human Body | 0.14 |
11 Protons, 12 Neutrons, 11 Electrons
|
|
دراسة يابانية لتقليل مخاطر أمراض المواليد منخفضي الوزن
|
|
|
|
|
اكتشاف أكبر مرجان في العالم قبالة سواحل جزر سليمان
|
|
|
|
|
المجمع العلمي ينظّم ندوة حوارية حول مفهوم العولمة الرقمية في بابل
|
|
|