pernyataan berikut yang benar mengenai atom 138 ba...

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 likeAs of now, Unsur 138 may be a placeholder name for a element that would join the extended periodic table. The atomic number 138 suggests that could possibly are part of the list of