unsur 138Unsur 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 officiallyUnsur138 menyajikan game berbasis sains. Pelajari unsur kimia lewat permainan interaktif dan tantangan eksperimen virtual yang menarik.