unsur 138Situs UNSUR138 Kami dengan bangga menyambut Anda di portal informasi kesehatan kami. Website ini hadir untuk memberikan layanan informasi terkini mengenai kesehatan, programUnsur 138, also known as Eka-Lawrencium, is a synthetic element with the atomic number 138. It was first predicted as part of the actinide series in the 1940s and was officially