Only after 1915, with the suggestion and evidence that this Z number was also the nuclear charge and a physical characteristic of atoms, did the word Atomzahl (and its English equivalent atomic number) come into common use in this context.
Hanya setelah 1915, dengan saran dan bukti bahwa nomor Z ini juga merupakan muatan nuklir dan karakteristik fisik atom, kata Atomzahl (dan nomor atom setara bahasa Indonesia) mulai umum digunakan dalam konteks ini.