O
Oxygen is the third most abundant element in the universe and essential for respiration in most life forms.
የፊዚክስ ባህሪያት
| አቶሚክ | 15.999 u |
| ብዛት | 0.001429 g/cm³ |
| የቀለም አማራጭ | 54.36 K |
| የሙቀት መጠኑ፦ | 90.2 K |
| ቅርጽ | Colorless gas, pale blue liquid |
| የክፍሉ ወቅት | ግራጫ |
የኬሚካል ባህሪያት
| ሴኮንዶች | 3.44 (ፒየር) |
| ፊደል ሠሌዳው፦ | 1313.9 kJ/mol |
| ፊደል ሠሌዳው፦ | 140.98 kJ/mol |
| መተላለፊያ | -2, -1, +1, +2 |
የፊደል ቅርጽ ምርጫዎች
| የኤሌክትሮን ማስተካከያ | [He] 2s2 2p4 |
| አቶሚክ | 48.0 pm |
| ሬዲየስ | 66.0 pm |
| ቫን ዴር ዋልስ | 152.0 pm |
መከፈት
| የተገኘው በ | Carl Wilhelm Scheele |
| የምርምር ዓመት | 1771 |
| ቦታ | Uppsala, Sweden |
| ስም፦ (_N) | Greek 'oxy genes' meaning acid-forming |
ስለ Oxygen
Oxygen is a highly reactive nonmetal and the most abundant element in Earth's crust. It readily forms oxides with most elements. Oxygen is essential for cellular respiration and combustion. The ozone layer protects life on Earth from ultraviolet radiation.
ፕሮግራሞች
Steelmaking, medical breathing gas, welding and cutting, water treatment, rocket propellant, and chemical manufacturing.
ሐቅ
Oxygen is paramagnetic -- liquid oxygen is pale blue and can be suspended between the poles of a strong magnet.
ሴኮንዶች
| ብዛት | ብዛት | አራተኛ | ቋሚ |
| 16 | 0.99757% | - | አዎ |
| 17 | 0.00038% | - | አዎ |
| 18 | 0.00205% | - | አዎ |
የኤሌክትሮን ማስተካከያ
[He] 2s2 2p4