Pb
Lead is a dense, toxic heavy metal used since ancient times despite known health hazards.
የፊዚክስ ባህሪያት
| አቶሚክ | 207.2 u |
| ብዛት | 11.342 g/cm³ |
| የቀለም አማራጭ | 600.61 K |
| የሙቀት መጠኑ፦ | 2022.0 K |
| ቅርጽ | Bluish-gray metallic |
| የክፍሉ ወቅት | ቀጥ ያለ |
የኬሚካል ባህሪያት
| ሴኮንዶች | 2.33 (ፒየር) |
| ፊደል ሠሌዳው፦ | 715.6 kJ/mol |
| ፊደል ሠሌዳው፦ | 35.1 kJ/mol |
| መተላለፊያ | -4, +2, +4 |
የፊደል ቅርጽ ምርጫዎች
| የኤሌክትሮን ማስተካከያ | [Xe] 4f14 5d10 6s2 6p2 |
| አቶሚክ | 175.0 pm |
| ሬዲየስ | 146.0 pm |
| ቫን ዴር ዋልስ | 202.0 pm |
መከፈት
| የተገኘው በ | Known since antiquity |
| ቦታ | Various (Middle East) |
| ስም፦ (_N) | Anglo-Saxon 'lead'; symbol Pb from Latin 'plumbum' |
ስለ Lead
Lead is a heavy, soft, malleable metal used for over 6,000 years. It is toxic, causing nervous system damage. Removing lead from gasoline and paint has been a major public health achievement.
ፕሮግራሞች
Lead-acid batteries, radiation shielding, ammunition, and construction.
ሐቅ
Some historians believe widespread lead poisoning from water pipes contributed to the decline of the Roman Empire.
ሴኮንዶች
| ብዛት | ብዛት | አራተኛ | ቋሚ |
| 206 | 0.241% | - | አዎ |
| 207 | 0.221% | - | አዎ |
| 208 | 0.524% | - | አዎ |
የኤሌክትሮን ማስተካከያ
[Xe] 4f14 5d10 6s2 6p2