Lead bụ ihe mejupụtara kemịkalụ, akara kemịkal ya bụ Pb(Latin Plumbum; lead, nwere ọnụọgụ atọm nke 82, bụ ihe kachasị na-anaghị arụ ọrụ redio site na ibu atomic.
Lead bụ ígwè na-esighị ike ma dị nro, na-egbu egbu, na ígwè dị arọ.Agba mbụ nke lead na-acha anụnụ anụnụ, ma n'ikuku, oxide na-acha ntụ ntụ ga-ekpuchi elu ya n'oge na-adịghị anya.Enwere ike iji ya rụọ ọrụ, batrị lead-acid, isi agha, ogbunigwe ogbunigwe, ihe ịgbado ọkụ, ngwa ịkụ azụ, ngwa ịkụ azụ, ihe nchebe radieshon, trophies na ụfọdụ alloys, dị ka ihe ntụ ntụ maka ịgbado ọkụ eletrik.Lead bụ ihe ọla nwere ike iji dị ka ihe na-eguzogide corrosion sulfuric acid, radieshon ionizing, batrị na ihe ndị ọzọ.Enwere ike iji alloy ya mee ihe maka ụdị, ibu, mkpuchi USB, wdg, a pụkwara iji ya mee ihe maka ịgbapụ ngwa egwuregwu.
Nke a bụ ozi bụ isi nke ndu maka ntụnye aka gị:
| Aha Chinese | Qian | Ebe esi nri | 1749°C |
| Aha bekee | Ndu | Mmiri solubility | Na-adịghị edozi na mmiri |
| Aha ọzọ | Njikọ, yinye, nwanyị, ụgbọ mmiri, tin ojii, ọla edo, ọla edo lapis, ọla edo na mmiri | njupụta | 11.3437 g/cm ³ |
| Usoro ọgwụ | Pb | ọdịdị | Ọcha ọla ọcha nwere tint na-acha anụnụ anụnụ |
| Ibu arọ molekụla | 207.2 | Nkọwa ihe egwu | nsi |
| Nọmba nbanye CAS | 7439-92-1 | Ikike Okpomọkụ akọwapụtara | 0.13 kJ/ (kg·K) |
| Ebe mgbada | 327.502C | isi ike | 1.5 |
Rịba ama: Ndu n'onwe ya na-egbu egbu, mana ọ naghị egbu egbu mgbe a na-edozi ya n'ime ihe radieshon nke mpempe akwụkwọ, ụzọ ụzọ, urughuru ndu na waya ụzọ.
Na Ọgọst 31, 2023, na mgbanwe nke gburugburu ebe obibi, ọnụ ahịa ụzọ na-aga n'ihu na-arị elu, ihe na-esonụ bụ nseta ihuenyo nke netwọọkụ igwe anaghị agba nchara nke Osimiri Yangtze maka onye ọ bụla.
Oge nzipu: Sep-05-2023
