最終更新日:2024/07/14
The nucleus of the atom is composed of protons and neutrons.
正解を見る
Il nucleo dell'atomo \u00e8 composto da protoni e neutroni.
編集履歴(0)
The nucleus of the atom is composed of protons and neutrons.
Il nucleo dell'atomo \u00e8 composto da protoni e neutroni.