🔍 牛津詞典 🎯
🔍 朗文詞典
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典

檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:

atomic number

noun
/əˌtɒmɪk ˈnʌmbə(r)/
/əˌtɑːmɪk ˈnʌmbər/
(chemistry化学)
jump to other results
  1. the number of protons in the nucleus (= centre) of an atom of a particular chemical element. Elements are placed in the periodic table according to their atomic numbers.原子序数(指原子在元素周期表中的序号)Topics Physics and chemistryc2

See also: atomic number

atomic number

👨🏻‍🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
切換為繁體中文
Site Uptime