unsur 138Recently, Unsur 138 is known as a placeholder name for a element which could founder the extended periodic table. The atomic number 138 shows that it can act likeBerikut adalah daftar unsur kimia, diurutkan berdasarkan nomor atom, dan warna menunjukkan jenis unsur. Setiap unsur ditampilkan informasi mengenai nama unsur, lambang unsur ,