粤典 (words.hk)香港词反馈01一種化學#元素 嘅#原子 入面#質子 嘅數量 (atomic number; proton number; the number of protons found in the nucleus of an atom of a particular chemical)名詞02化學元素#週期 表入面化學元素嘅排序 (a way of listing the chemical elements in order in the periodic table)
粤典 (words.hk)香港词反馈01一種化學#元素 嘅#原子 入面#質子 嘅數量 (atomic number; proton number; the number of protons found in the nucleus of an atom of a particular chemical)名詞02化學元素#週期 表入面化學元素嘅排序 (a way of listing the chemical elements in order in the periodic table)