Lawrensium

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Lawrensium,  103Lr
Sifat umum
Nama, simbol lawrensium, Lr
Pengucapan Dengarkani/ləˈrɛnsiəm/
lə-REN-see-əm
Penampilan tak diketahui
Lawrensium di tabel periodik
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Litium (alkali metal)
Berilium (alkaline earth metal)
Boron (metalloid)
Karbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oksigen (diatomic nonmetal)
Fluor (diatomic nonmetal)
Neon (noble gas)
Natrium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silikon (metalloid)
Fosfor (polyatomic nonmetal)
Belerang (polyatomic nonmetal)
Klor (diatomic nonmetal)
Argon (noble gas)
Kalium (alkali metal)
Kalsium (alkaline earth metal)
Skandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Kromium (transition metal)
Mangan (transition metal)
Besi (transition metal)
Kobalt (transition metal)
Nikel (transition metal)
Tembaga (transition metal)
Seng (transition metal)
Galium (post-transition metal)
Germanium (metalloid)
Arsenik (metalloid)
Selenium (polyatomic nonmetal)
Bromin (diatomic nonmetal)
Kripton (noble gas)
Rubidium (alkali metal)
Stronsium (alkaline earth metal)
Itrium (transition metal)
Zirkonium (transition metal)
Niobium (transition metal)
Molibdenum (transition metal)
Teknesium (transition metal)
Rutenium (transition metal)
Rodium (transition metal)
Paladium (transition metal)
Perak (transition metal)
Kadmium (transition metal)
Indium (post-transition metal)
Timah (post-transition metal)
Antimon (metalloid)
Telurium (metalloid)
Yodium (diatomic nonmetal)
Xenon (noble gas)
Sesium (alkali metal)
Barium (alkaline earth metal)
Lantanum (lanthanide)
Serium (lanthanide)
Praseodimium (lanthanide)
Neodimium (lanthanide)
Prometium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Disprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Tulium (lanthanide)
Iterbium (lanthanide)
Lutesium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Renium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Emas (transition metal)
Raksa (transition metal)
Talium (post-transition metal)
Timbal (post-transition metal)
Bismut (post-transition metal)
Polonium (post-transition metal)
Astatin (metalloid)
Radon (noble gas)
Fransium (alkali metal)
Radium (alkaline earth metal)
Aktinium (actinide)
Torium (actinide)
Protaktinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Amerisium (actinide)
Kurium (actinide)
Berkelium (actinide)
Kalifornium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrensium (actinide)
Ruterfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hasium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Kopernisium (transition metal)
Nihonium (unknown chemical properties)
Flerovium (post-transition metal)
Moskovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tenesin (unknown chemical properties)
Oganeson (unknown chemical properties)
Lu

Lr

(Upt)
nobeliumlawrensiumrutherfordium
Nomor atom (Z) 103
Golongan, blok golongan n/a, blok-d
Periode periode 7
Kategori unsur   aktinida, kadang dianggap logam transisi
Massa atom standar (Ar) [262]
Konfigurasi elektron [Rn] 7s2 5f14 7p1
per kulit
2, 8, 18, 32, 32, 8, 3
Sifat fisika
Fase solid presumably
Sifat atom
Bilangan oksidasi 3
Lain-lain
Nomor CAS 22537-19-5
Isotop lawrensium terstabil
iso NA waktu paruh DM DE (MeV) DP
262Lr syn 3.6 h EC 262No
261Lr syn 44 min SF/EC?
260Lr syn 2.7 min alfa 8.04 256Md
259Lr syn 6.2 s 78% alpha 8.44 255Md
22% SF
258Lr syn 4.1 s alfa 8.68,8.65,8.62,8.59 254Md
257Lr syn 0.65 s alfa 8.86,8.80 253Md
256Lr syn 27 s alfa 8.62,8.52,8.32... 252Md
255Lr syn 21.5 s alfa 8.43,8.37 251Md
254Lr syn 13 s 78% alpha 8.46,8.41 250Md
22% EC 254No
253Lrm syn 0.57 s alpha 8.79 249Md
253Lrg syn 1.49 s 92% alpha 8.72 249Md
8% SF
252Lr syn 0.36 s alfa 9.02,8.97 248Md
| referensi | di Wikidata


Lawrensium (pengucapan: /ləˈrɛnsiəm/) adalah unsur kimia yang berlambang Lr (sebelumnya Lw) dan memiliki nomor atom 103. Unsur ini merupakan unsur sintetik yang radioaktif. Isotop Lawrensium yang paling stabil adalah 262.

Referensi[sunting | sunting sumber]

Pranala luar[sunting | sunting sumber]