beta138Lanthanum-138 is the only naturally occurring radioactive isotope of lanthanum with 0.09% abundance and a half-life of 1.05×10 11 years. As a result, 138 La produces in LaBr🔰 BETA138 Official Group Temukan topik diskusi seru dan info yang kamu cari di sini! 🎯 Main langsung di Telegram: @beta138game_bot 🌐 Klik link daftar: ⚠️