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 LaBrTemukan pengalaman bermain game on terbaru dengan kepercayaan penuh hanya di BETA138. Mainkan permainan paling seru dan nikmati amanan terjamin setiap hari.